A cube has edge length 45 cm. What is its total surface area?
Correct answer(s):
- 12150 cm²
Subject
Mathematics
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A parallelogram has base 51 cm and perpendicular height 12 cm. Find its area.
Correct answer(s):
- 612 cm²
A rectangular cardboard is 50 mm by 12 mm. A square of side 4 mm is cut from it. What area remains?
Correct answer(s):
- 584 mm²
A triangle has base 44 m and perpendicular height 13 m. What is its area?
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- 286 m²
A semicircular window has radius 42 m. Using π = 22/7, what is its area?
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A square photo frame has side length 20 cm. What is its perimeter?
Correct answer(s):
- 80 cm
Using π = 3.14, find the circumference of a circle with radius 39 mm.
Correct answer(s):
- 244.92 mm
A classroom notice board is 22 mm long and 3 mm wide. What is its perimeter?
Correct answer(s):
- 50 mm
Using π = 3.14, find the area of a circle with radius 36 cm.
Correct answer(s):
- 4069.44 cm²
The area of a rectangle is 195 m² and its breadth is 5 m. What is the length?
Correct answer(s):
- 39 m
A rhombus has diagonals 62 mm and 14 mm. Find its area.
Correct answer(s):
- 434 mm²
A rectangular garden is 19 cm long and 10 cm wide. What is its area?
Correct answer(s):
- 190 cm²
The parallel sides of a trapezium are 31 m and 40 m, and the height is 11 m. What is its area?
Correct answer(s):
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A floor is 76 m long and 13 m wide. If polishing costs 7 taka per m², what is the total cost?
Correct answer(s):
- 6916 taka
A parallelogram has base 49 mm and perpendicular height 11 mm. Find its area.
Correct answer(s):
- 539 mm²
Convert 66 m³ into cm³.
Correct answer(s):
- 66000000 cm³
Using π = 3.14, find the volume of a sphere with radius 5 cm.
Correct answer(s):
- 523.33 cm³
Using π = 3.14, find the volume of a cone with radius 12 mm and height 68 mm.
Correct answer(s):
- 10248.96 mm³
A rectangular cardboard is 51 cm by 13 cm. A square of side 5 cm is cut from it. What area remains?
Correct answer(s):
- 638 cm²
Using π = 3.14, find the curved surface area of a cylinder with radius 9 m and height 62 m.
Correct answer(s):
- 3504.24 m²