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The diameter of a circle is 80 cm. What is its radius?
Correct answer(s):
- 40 cm
The diameter of a circle is 64 cm. What is its radius?
Correct answer(s):
- 32 cm
The diameter of a circle is 50 cm. What is its radius?
Correct answer(s):
- 25 cm
The diameter of a circle is 40 cm. What is its radius?
Correct answer(s):
- 20 cm
The diameter of a circle is 30 cm. What is its radius?
Correct answer(s):
- 15 cm
The diameter of a circle is 24 cm. What is its radius?
Correct answer(s):
- 12 cm
The diameter of a circle is 18 cm. What is its radius?
Correct answer(s):
- 9 cm
The diameter of a circle is 16 cm. What is its radius?
Correct answer(s):
- 8 cm
The diameter of a circle is 12 cm. What is its radius?
Correct answer(s):
- 6 cm
The diameter of a circle is 10 cm. What is its radius?
Correct answer(s):
- 5 cm
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
Using π = 22/7, what is the area of a circle with radius 42 cm?
Correct answer(s):
- 5544 cm²
Using π = 22/7, what is the area of a circle with radius 35 cm?
Correct answer(s):
- 3850 cm²
Using π = 22/7, what is the area of a circle with radius 28 cm?
Correct answer(s):
- 2464 cm²
Using π = 22/7, what is the area of a circle with radius 21 cm?
Correct answer(s):
- 1386 cm²
Using π = 22/7, what is the area of a circle with radius 14 cm?
Correct answer(s):
- 616 cm²
Using π = 22/7, what is the area of a circle with radius 7 cm?
Correct answer(s):
- 154 cm²