A rectangular garden is 13 cm long and 7 cm wide. What is its area?
Correct answer(s):
- 91 cm²
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Which formulae are used for a cylinder? Select all correct answers.
Correct answer(s):
- Curved surface area = 2πrh
- Volume = πr²h
A floor is 73 m long and 10 m wide. If polishing costs 4 taka per m², what is the total cost?
Correct answer(s):
- 2920 taka
Convert 64 m² into cm².
Correct answer(s):
- 640000 cm²
Using π = 3.14, find the volume of a sphere with radius 12 cm.
Correct answer(s):
- 7234.56 cm³
Using π = 3.14, find the volume of a cone with radius 9 mm and height 65 mm.
Correct answer(s):
- 5510.7 mm³
Using π = 3.14, find the curved surface area of a cylinder with radius 15 m and height 59 m.
Correct answer(s):
- 5557.8 m²
Using π = 22/7, find the volume of a cylinder with radius 7 mm and height 55 mm.
Correct answer(s):
- 8470 mm³
A cuboid measures 53 cm × 8 cm × 11 cm. What is its total surface area?
Correct answer(s):
- 2190 cm²
A cuboid has length 52 m, breadth 6 m, and height 11 m. Find its volume.
Correct answer(s):
- 3432 m³
A cube-shaped box has each edge 44 mm. What is its volume?
Correct answer(s):
- 85184 mm³
A cube has edge length 42 cm. What is its total surface area?
Correct answer(s):
- 10584 cm²
A rectangular cardboard is 47 mm by 9 mm. A square of side 5 mm is cut from it. What area remains?
Correct answer(s):
- 398 mm²
A semicircular window has radius 39 m. Using π = 3.14, what is its area?
Correct answer(s):
- 2387.97 m²
Using π = 3.14, find the circumference of a circle with radius 36 mm.
Correct answer(s):
- 226.08 mm
Using π = 3.14, find the area of a circle with radius 33 cm.
Correct answer(s):
- 3419.46 cm²
A rhombus has diagonals 56 mm and 8 mm. Find its area.
Correct answer(s):
- 224 mm²
The parallel sides of a trapezium are 28 m and 34 m, and the height is 8 m. What is its area?
Correct answer(s):
- 248 m²
A parallelogram has base 43 mm and perpendicular height 8 mm. Find its area.
Correct answer(s):
- 344 mm²
A triangle has base 36 cm and perpendicular height 9 cm. What is its area?
Correct answer(s):
- 162 cm²