A rectangular cardboard is 47 mm by 9 mm. A square of side 5 mm is cut from it. What area remains?
Correct answer(s):
- 398 mm²
Topic
Area
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Quizzes in Area for Grade 8
Using π = 3.14, find the area of a circle with radius 33 cm.
Correct answer(s):
- 3419.46 cm²
Using π = 3.14, find the area of a circle with radius 32 mm.
Correct answer(s):
- 3215.36 mm²
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
Using π = 3.14, find the area of a circle with radius 31 m.
Correct answer(s):
- 3017.54 m²
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 rectangular cardboard is 53 mm by 7 mm. A square of side 3 mm is cut from it. What area remains?
Correct answer(s):
- 362 mm²
Using π = 3.14, find the area of a circle with radius 39 cm.
Correct answer(s):
- 4775.94 cm²
A rectangular cardboard is 52 m by 6 m. A square of side 2 m is cut from it. What area remains?
Correct answer(s):
- 308 m²
Using π = 3.14, find the area of a circle with radius 38 mm.
Correct answer(s):
- 4534.16 mm²
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 area of a circle with radius 37 m.
Correct answer(s):
- 4298.66 m²
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
Using π = 3.14, find the area of a circle with radius 36 cm.
Correct answer(s):
- 4069.44 cm²
A rectangular cardboard is 49 m by 11 m. A square of side 3 m is cut from it. What area remains?
Correct answer(s):
- 530 m²
Using π = 22/7, find the area of a circle with radius 35 mm.
Correct answer(s):
- 3850 mm²
Using π = 22/7, what is the area of a circle with radius 70 cm?
Correct answer(s):
- 15400 cm²
Using π = 22/7, what is the area of a circle with radius 63 cm?
Correct answer(s):
- 12474 cm²
Using π = 22/7, what is the area of a circle with radius 56 cm?
Correct answer(s):
- 9856 cm²
Using π = 22/7, what is the area of a circle with radius 49 cm?
Correct answer(s):
- 7546 cm²