A rectangular cardboard is 61 m by 7 m. A square of side 3 m is cut from it. What area remains?
Correct answer(s):
- 418 m²
Subject
Mathematics
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Quizzes in Mathematics for Grade 8
Using π = 3.14, find the curved surface area of a cylinder with radius 10 mm and height 72 mm.
Correct answer(s):
- 4521.6 mm²
A semicircular window has radius 53 cm. Using π = 3.14, what is its area?
Correct answer(s):
- 4410.13 cm²
Using π = 3.14, find the volume of a cylinder with radius 10 cm and height 68 cm.
Correct answer(s):
- 21352 cm³
Using π = 3.14, find the circumference of a circle with radius 50 m.
Correct answer(s):
- 314 m
A cuboid measures 66 m × 3 m × 8 m. What is its total surface area?
Correct answer(s):
- 1500 m²
Using π = 3.14, find the area of a circle with radius 47 mm.
Correct answer(s):
- 6936.26 mm²
A cuboid has length 65 mm, breadth 5 mm, and height 6 mm. Find its volume.
Correct answer(s):
- 1950 mm³
A rhombus has diagonals 84 m and 14 m. Find its area.
Correct answer(s):
- 588 m²
A cube-shaped box has each edge 57 cm. What is its volume?
Correct answer(s):
- 185193 cm³
The parallel sides of a trapezium are 42 cm and 52 cm, and the height is 6 cm. What is its area?
Correct answer(s):
- 282 cm²
A cube has edge length 55 m. What is its total surface area?
Correct answer(s):
- 18150 m²
A parallelogram has base 71 m and perpendicular height 9 m. Find its area.
Correct answer(s):
- 639 m²
A rectangular cardboard is 60 cm by 6 cm. A square of side 2 cm is cut from it. What area remains?
Correct answer(s):
- 356 cm²
A semicircular window has radius 52 mm. Using π = 3.14, what is its area?
Correct answer(s):
- 4245.28 mm²
Using π = 3.14, find the volume of a cylinder with radius 9 mm and height 67 mm.
Correct answer(s):
- 17040.78 mm³
Using π = 22/7, find the circumference of a circle with radius 49 cm.
Correct answer(s):
- 308 cm
A cuboid measures 65 cm × 8 cm × 7 cm. What is its total surface area?
Correct answer(s):
- 2062 cm²
Using π = 3.14, find the area of a circle with radius 46 m.
Correct answer(s):
- 6644.24 m²
A cuboid has length 64 m, breadth 4 m, and height 5 m. Find its volume.
Correct answer(s):
- 1280 m³