A circle has a radius of 7 centimeters. What is its circumference? (use 22/7 for pi)
Answer and explanation
Correct answer: C. 44 centimeters
- Step 1: Circumference = 2 x pi x r. Step 2. 2 x 22/7 x 7 = 44. Answer: 44 centimeters. Why not the others: 154 is the area.
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