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25 votes
Find the circumference and area of a circle with radius 7 m. Use the value 3.14 for pie, and do not round your answers

User Fpbhb
by
4.1k points

2 Answers

6 votes

Answer:

circumference (c) = 43.96cm

Area (A) = 615.44cm²

Explanation:

Here,

Radious (r) = 7 cm

circumference (c) =
2\pi r

= 2×3.14×7

=43.96cm

Area (A) =
4\pi r^(2)

= 4×3.14×7²

=12.56×49

= 615.44cm²

User Ivnhal
by
3.7k points
7 votes

Answer:

area:153.86m²

circumfrence:43.96m

Explanation:

User Bneil
by
4.1k points