A square photo frame has side length 16 mm. What is its perimeter?
Correct answer(s):
- 64 mm
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A classroom notice board is 18 m long and 11 m wide. What is its perimeter?
Correct answer(s):
- 58 m
The area of a rectangle is 270 cm² and its breadth is 10 cm. What is the length?
Correct answer(s):
- 27 cm
A rectangular garden is 11 mm long and 6 mm wide. What is its area?
Correct answer(s):
- 66 mm²
Which statements about a cube are correct? Select all correct answers.
Correct answer(s):
- All 6 faces are equal squares
- Volume = side³
A floor is 72 m long and 9 m wide. If polishing costs 3 taka per m², what is the total cost?
Correct answer(s):
- 1944 taka
Convert 62 m³ into cm³.
Correct answer(s):
- 62000000 cm³
Using π = 3.14, find the volume of a sphere with radius 11 mm.
Correct answer(s):
- 5572.45 mm³
Using π = 3.14, find the volume of a cone with radius 8 m and height 64 m.
Correct answer(s):
- 4287.15 m³
Using π = 22/7, find the curved surface area of a cylinder with radius 14 cm and height 58 cm.
Correct answer(s):
- 5104 cm²
Using π = 3.14, find the volume of a cylinder with radius 16 m and height 54 m.
Correct answer(s):
- 43407.36 m³
A cuboid measures 52 mm × 7 mm × 10 mm. What is its total surface area?
Correct answer(s):
- 1908 mm²
A cuboid has length 51 cm, breadth 5 cm, and height 10 cm. Find its volume.
Correct answer(s):
- 2550 cm³
A cube-shaped box has each edge 43 m. What is its volume?
Correct answer(s):
- 79507 m³
A cube has edge length 41 mm. What is its total surface area?
Correct answer(s):
- 10086 mm²
A rectangular cardboard is 46 m by 8 m. A square of side 4 m is cut from it. What area remains?
Correct answer(s):
- 352 m²
A semicircular window has radius 38 cm. Using π = 3.14, what is its area?
Correct answer(s):
- 2267.08 cm²
Using π = 22/7, find the circumference of a circle with radius 35 m.
Correct answer(s):
- 220 m
Using π = 3.14, find the area of a circle with radius 32 mm.
Correct answer(s):
- 3215.36 mm²
A rhombus has diagonals 54 m and 6 m. Find its area.
Correct answer(s):
- 162 m²