45

पृष्ठ 1 / 3
  1. Easy

    What is the area of a rectangle with length 8 and width 5?

  2. Easy

    What is the area of a triangle with base 10 and height 6?

  3. Medium

    A cylinder has radius 3 and height 8. What is its volume?

  4. Medium

    A cone has radius 3 and height 12. What is its volume? (V = (1/3)πr²h)

  5. Hard

    A sphere has a surface area of 100π. What is its radius? (SA = 4πr²)

  6. Easy

    Two parallel lines are cut by a transversal. One angle measures 65°. What is the measure of its alternate interior angle?

    1. 25°
    2. 65°
    3. 115°
    4. 180°

    व्याख्या

    Alternate interior angles formed by parallel lines and a transversal are congruent. The alternate interior angle also measures 65°.

  7. Medium

    In a triangle, two angles measure 50° and 70°. What is the measure of the third angle?

    1. 50°
    2. 55°
    3. 60°
    4. 70°

    व्याख्या

    Angle sum in a triangle = 180°. Third angle = 180 − 50 − 70 = 60°.

  8. Medium

    Two triangles are similar. The first has sides 3, 4, and 5. The shortest side of the second is 9. What is the longest side of the second triangle?

  9. Hard

    An isosceles triangle has a vertex angle of 40°. What is the measure of each base angle?

  10. Medium

    Two lines intersect. One of the angles formed measures 130°. What is the measure of the adjacent supplementary angle?

  11. Easy

    In a right triangle with legs 3 and 4, what is sin of the angle opposite the side of length 3?

  12. Medium

    A 10-meter ladder leans against a wall at a 60° angle with the ground. How high on the wall does it reach?

  13. Medium

    In a 45-45-90 triangle, if the hypotenuse is 8√2, what is the length of each leg?

  14. Hard

    In a right triangle, cos θ = 5/13. What is tan θ?

    1. 5/12
    2. 12/5
    3. 13/5
    4. 5/13

    व्याख्या

    adj = 5, hyp = 13, so opp = √(169 − 25) = 12. tan θ = opp/adj = 12/5.

  15. Easy

    What is the circumference of a circle with diameter 14?

  16. Medium

    A circle has radius 5. What is the length of an arc subtended by a central angle of 72°?

  17. Medium

    The equation of a circle is (x − 2)² + (y + 3)² = 25. What is its radius?

  18. Hard

    A sector of a circle has radius 6 and a central angle of 120°. What is the area of the sector?

    1. 12π
    2. 24π

    व्याख्या

    Sector area = (θ/360) × πr² = (120/360) × 36π = (1/3)(36π) = 12π.

  19. Medium

    What is the distance between the points (1, 2) and (4, 6)?

  20. Medium

    The midpoint of segment AB is (3, 5). If A = (1, 3), what are the coordinates of B?

    1. (4, 6)
    2. (5, 7)
    3. (6, 8)
    4. (2, 4)

    व्याख्या

    Midpoint formula: ((1+x)/2, (3+y)/2) = (3, 5). So x = 5 and y = 7. B = (5, 7).

  21. Easy

    What is the area of a circle with radius 6?

  22. Easy

    A rectangular prism has length 5, width 4, and height 3. What is its volume?

  23. Medium

    A trapezoid has parallel bases of 8 and 12, and a height of 5. What is its area?

  24. Medium

    A sphere has radius 3. What is its volume? (V = (4/3)πr³)

  25. Hard

    A cylinder and a cone have the same radius and height. What is the ratio of the cylinder's volume to the cone's volume?

    1. 1:3
    2. 1:2
    3. 2:1
    4. 3:1

    व्याख्या

    V_cylinder = πr²h; V_cone = (1/3)πr²h. Ratio = πr²h / ((1/3)πr²h) = 3.

  26. Hard

    A square is inscribed in a circle of radius 5. What is the area of the square?

    1. 25
    2. 40
    3. 50
    4. 100

    व्याख्या

    The diagonal of the square equals the diameter = 10. Side = 10/√2 = 5√2. Area = (5√2)² = 50.

  27. Easy

    An exterior angle of a triangle measures 110°. One non-adjacent interior angle measures 50°. What is the other non-adjacent interior angle?

    1. 40°
    2. 50°
    3. 60°
    4. 70°

    व्याख्या

    The exterior angle equals the sum of the two non-adjacent interior angles: 110 = 50 + x → x = 60°.

  28. Easy

    Two angles are supplementary. One measures 3x° and the other measures 57°. What is x?

  29. Medium

    A triangle has sides 7, 24, and 25. Is it a right triangle?

    1. Yes, because 7² + 24² = 25²
    2. No, because 7 + 24 ≠ 25
    3. Yes, because 7 + 24 > 25
    4. No, because 7² + 25² ≠ 24²

    व्याख्या

    7² + 24² = 49 + 576 = 625 = 25². Yes, it satisfies the Pythagorean theorem.

  30. Medium

    In a 30-60-90 triangle, the side opposite the 30° angle is 4. What is the hypotenuse?

    1. 4
    2. 4√2
    3. 4√3
    4. 8

    व्याख्या

    In a 30-60-90 triangle the hypotenuse is twice the side opposite 30°. Hypotenuse = 2 × 4 = 8.

  31. Medium

    Two similar triangles have corresponding sides in the ratio 2:5. If the area of the smaller triangle is 12, what is the area of the larger triangle?

    1. 30
    2. 48
    3. 75
    4. 150

    व्याख्या

    Area scales as the square of the linear scale factor: (5/2)² = 25/4. Area = 12 × (25/4) = 75.

  32. Hard

    In triangle ABC, angle A = 90°, AB = 6, and BC = 10. What is the length of AC?

  33. Hard

    The sum of the interior angles of a polygon is 1,080°. How many sides does the polygon have?

    1. 6
    2. 7
    3. 8
    4. 9

    व्याख्या

    Sum of interior angles = (n − 2) × 180. (n − 2) × 180 = 1080 → n − 2 = 6 → n = 8.

  34. Easy

    In a right triangle, the side adjacent to angle θ is 5 and the hypotenuse is 13. What is cos θ?

  35. Medium

    In a right triangle, sin θ = 7/25. What is cos θ?

    1. 7/24
    2. 24/25
    3. 25/7
    4. 7/25

    व्याख्या

    opp = 7, hyp = 25. adj = √(625 − 49) = √576 = 24. cos θ = 24/25.

  36. Medium

    A ramp makes a 15° angle with the ground. If the horizontal distance is 20 feet, what is the approximate height of the ramp? (sin 15° ≈ 0.259, tan 15° ≈ 0.268)

  37. Hard

    In a right triangle, tan θ = 3/4. What is sin θ?

  38. Hard

    A 20-foot tree casts a shadow 20 feet long. What is the angle of elevation of the sun to the nearest degree? (tan 45° = 1)

  39. Easy

    A circle has radius 9. What is its area?

  40. Medium

    An arc of a circle with radius 10 is subtended by a central angle of 144°. What is the arc length?

  41. Medium

    The equation (x + 1)² + (y − 4)² = 49 represents a circle. What is the center?

    1. (1, 4)
    2. (1, −4)
    3. (−1, 4)
    4. (−1, −4)

    व्याख्या

    Standard form (x − h)² + (y − k)² = r². Here h = −1, k = 4. Center = (−1, 4).

  42. Hard

    A chord of a circle is 8 cm long and is 3 cm from the center. What is the radius of the circle?

    1. 4
    2. 5
    3. 6
    4. 7

    व्याख्या

    The perpendicular from the center bisects the chord, forming a right triangle with legs 3 and 4 (half of 8). r = √(3² + 4²) = √25 = 5.

  43. Hard

    A sector of a circle has area 30π and radius 6. What is the central angle of the sector in degrees?

    1. 180°
    2. 240°
    3. 270°
    4. 300°

    व्याख्या

    Sector area = (θ/360)πr². 30π = (θ/360)π(36) → 30 = 36θ/360 → θ = 30 × 360/36 = 300°.

  44. Medium

    What is the midpoint of the segment connecting (−3, 7) and (5, −1)?

    1. (1, 3)
    2. (2, 3)
    3. (1, 4)
    4. (2, 4)

    व्याख्या

    Midpoint = ((−3 + 5)/2, (7 + (−1))/2) = (2/2, 6/2) = (1, 3).

  45. Hard

    Point P is at (2, 3) and point Q is at (8, 11). What are the coordinates of the point that divides PQ in the ratio 1:2 from P?

    1. (4, 5)
    2. (4, 5.67)
    3. (5, 7)
    4. (6, 9)

    व्याख्या

    Section formula: x = (1·8 + 2·2)/(1+2) = (8+4)/3 = 4. y = (1·11 + 2·3)/3 = (11+6)/3 = 17/3 ≈ 5.67. Closest option representing 1:2 division: (4, 5) using integer approximation. Full answer: x = 4, y = 17/3.

पृष्ठ 1 / 3