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
Composite Figures
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Quizzes in Composite Figures for Grade 8
A semicircular window has radius 39 m. Using π = 3.14, what is its area?
Correct answer(s):
- 2387.97 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 semicircular window has radius 38 cm. Using π = 3.14, what is its area?
Correct answer(s):
- 2267.08 cm²
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
A semicircular window has radius 37 mm. Using π = 3.14, what is its area?
Correct answer(s):
- 2149.33 mm²
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
A semicircular window has radius 45 m. Using π = 3.14, what is its area?
Correct answer(s):
- 3179.25 m²
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
A semicircular window has radius 44 cm. Using π = 3.14, what is its area?
Correct answer(s):
- 3039.52 cm²
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
A semicircular window has radius 43 mm. Using π = 3.14, what is its area?
Correct answer(s):
- 2902.93 mm²
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 semicircular window has radius 42 m. Using π = 22/7, what is its area?
Correct answer(s):
- 2772 m²
A semicircular window has radius 41 cm. Using π = 3.14, what is its area?
Correct answer(s):
- 2639.17 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