Find the circumference
Please help
2 answers:
Answer:
area = 147 cm²
circumference = 42 cm
Explanation:
area of a circle = 
r²
- is 3
- r is 7 cm
area = 3 × 7²
= 49 × 3
<u>= 147 cm²</u>
circumference of a circle = 2 r
circumference = 2 × 3 × 7
<u>= 42 cm</u>
147 is the circumference.
since the directions say to use 3 as pi, and we know that the radius is 7, we can say that
3 times 7^2 = A, which is 147
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