Using π = 3.14, find the circumference of a circle with radius 46 cm.
Correct answer(s):
- 288.88 cm
Subject
Mathematics
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Quizzes in Mathematics for Grade 8
A classroom notice board is 29 cm long and 10 cm wide. What is its perimeter?
Correct answer(s):
- 78 cm
Using π = 3.14, find the area of a circle with radius 43 m.
Correct answer(s):
- 5805.86 m²
The area of a rectangle is 720 mm² and its breadth is 12 mm. What is the length?
Correct answer(s):
- 60 mm
A rhombus has diagonals 76 cm and 6 cm. Find its area.
Correct answer(s):
- 228 cm²
A rectangular garden is 33 m long and 6 m wide. What is its area?
Correct answer(s):
- 198 m²
The parallel sides of a trapezium are 38 mm and 44 mm, and the height is 10 mm. What is its area?
Correct answer(s):
- 410 mm²
A floor is 83 m long and 10 m wide. If polishing costs 6 taka per m², what is the total cost?
Correct answer(s):
- 4980 taka
A parallelogram has base 63 cm and perpendicular height 5 cm. Find its area.
Correct answer(s):
- 315 cm²
Convert 74 m² into cm².
Correct answer(s):
- 740000 cm²
A triangle has base 56 m and perpendicular height 9 m. What is its area?
Correct answer(s):
- 252 m²
Using π = 3.14, find the circumference of a circle with radius 45 mm.
Correct answer(s):
- 282.6 mm
Using π = 22/7, find the area of a circle with radius 42 cm.
Correct answer(s):
- 5544 cm²
A rhombus has diagonals 74 mm and 26 mm. Find its area.
Correct answer(s):
- 962 mm²
The parallel sides of a trapezium are 37 m and 47 m, and the height is 9 m. What is its area?
Correct answer(s):
- 378 m²
A floor is 82 m long and 9 m wide. If polishing costs 5 taka per m², what is the total cost?
Correct answer(s):
- 3690 taka
A parallelogram has base 61 mm and perpendicular height 4 mm. Find its area.
Correct answer(s):
- 244 mm²
Convert 72 m³ into cm³.
Correct answer(s):
- 72000000 cm³
A triangle has base 54 cm and perpendicular height 8 cm. What is its area?
Correct answer(s):
- 216 cm²
Using π = 3.14, find the volume of a sphere with radius 11 cm.
Correct answer(s):
- 5572.45 cm³