A rectangular cardboard is 45 cm by 7 cm. A square of side 3 cm is cut from it. What area remains?
Correct answer(s):
- 306 cm²
Subject
Mensuration
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Quizzes in Mensuration for Grade 8
A square tile has side length 15 m. What is the area of the tile?
Correct answer(s):
- 225 m²
A semicircular window has radius 37 mm. Using π = 3.14, what is its area?
Correct answer(s):
- 2149.33 mm²
A classroom notice board is 17 cm long and 10 cm wide. What is its perimeter?
Correct answer(s):
- 54 cm
Using π = 3.14, find the circumference of a circle with radius 34 cm.
Correct answer(s):
- 213.52 cm
The area of a rectangle is 216 mm² and its breadth is 9 mm. What is the length?
Correct answer(s):
- 24 mm
Using π = 3.14, find the area of a circle with radius 31 m.
Correct answer(s):
- 3017.54 m²
A rectangular garden is 9 m long and 5 m wide. What is its area?
Correct answer(s):
- 45 m²
A rhombus has diagonals 52 cm and 26 cm. Find its area.
Correct answer(s):
- 676 cm²
Which measurements should be written in square units? Select all correct answers.
Correct answer(s):
- Total surface area of a cube
- Area of a wall
The parallel sides of a trapezium are 26 mm and 35 mm, and the height is 6 mm. What is its area?
Correct answer(s):
- 183 mm²
A floor is 71 m long and 8 m wide. If polishing costs 10 taka per m², what is the total cost?
Correct answer(s):
- 5680 taka
A parallelogram has base 39 cm and perpendicular height 6 cm. Find its area.
Correct answer(s):
- 234 cm²
Convert 62 m² into cm².
Correct answer(s):
- 620000 cm²
Using π = 3.14, find the volume of a sphere with radius 10 m.
Correct answer(s):
- 4186.67 m³
A classroom notice board is 16 mm long and 9 mm wide. What is its perimeter?
Correct answer(s):
- 50 mm
The area of a rectangle is 168 m² and its breadth is 8 m. What is the length?
Correct answer(s):
- 21 m
A rectangular garden is 7 cm long and 4 cm wide. What is its area?
Correct answer(s):
- 28 cm²
A triangle has base 32 m and perpendicular height 7 m. What is its area?
Correct answer(s):
- 112 m²
A square photo frame has side length 14 cm. What is its perimeter?
Correct answer(s):
- 56 cm