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Using π = 3.14, find the volume of a sphere with radius 8 cm.
Correct answer(s):
- 2143.57 cm³
A rhombus has diagonals 60 m and 12 m. Find its area.
Correct answer(s):
- 360 m²
The parallel sides of a trapezium are 30 cm and 38 cm, and the height is 10 cm. What is its area?
Correct answer(s):
- 340 cm²
A parallelogram has base 47 m and perpendicular height 10 m. Find its area.
Correct answer(s):
- 470 m²
A triangle has base 40 mm and perpendicular height 11 mm. What is its area?
Correct answer(s):
- 220 mm²
A square photo frame has side length 18 m. What is its perimeter?
Correct answer(s):
- 72 m
A classroom notice board is 20 cm long and 13 cm wide. What is its perimeter?
Correct answer(s):
- 66 cm
The area of a rectangle is 396 mm² and its breadth is 12 mm. What is the length?
Correct answer(s):
- 33 mm
A rectangular garden is 15 m long and 8 m wide. What is its area?
Correct answer(s):
- 120 m²
Which conversions are correct? Select all correct answers.
Correct answer(s):
- 1 m³ = 1,000,000 cm³
- 1 m² = 10,000 cm²
A floor is 74 m long and 11 m wide. If polishing costs 5 taka per m², what is the total cost?
Correct answer(s):
- 4070 taka
Convert 64 m³ into cm³.
Correct answer(s):
- 64000000 cm³
Using π = 3.14, find the volume of a sphere with radius 3 m.
Correct answer(s):
- 113.04 m³
Using π = 3.14, find the volume of a cone with radius 10 cm and height 66 cm.
Correct answer(s):
- 6908 cm³
Using π = 22/7, find the curved surface area of a cylinder with radius 7 mm and height 60 mm.
Correct answer(s):
- 2640 mm²
Using π = 3.14, find the volume of a cylinder with radius 8 cm and height 56 cm.
Correct answer(s):
- 11253.76 cm³
A cuboid measures 54 m × 3 m × 4 m. What is its total surface area?
Correct answer(s):
- 780 m²
A cuboid has length 53 mm, breadth 7 mm, and height 3 mm. Find its volume.
Correct answer(s):
- 1113 mm³
A cube-shaped box has each edge 45 cm. What is its volume?
Correct answer(s):
- 91125 cm³
A cube has edge length 43 m. What is its total surface area?
Correct answer(s):
- 11094 m²