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aev [14]
3 years ago
13

PLEASE HELP WILL MARK BRAINLIST

Mathematics
2 answers:
EleoNora [17]3 years ago
8 0

Answer:

C = 65.94 ft and A = 346.185 ft^2

Step-by-step explanation:

r = d/2 = 21/2 = 10.5

let \pi = 3.14

C = 2\pir

C = 2(3.14)(10.5) = 65.94 ft

A = \pir^2

A = (3.14)(10.5)^2 = 346.185 ft^2

kicyunya [14]3 years ago
4 0

Answer:

4. Find the circumference of the circle. Round to the nearest hundredth.

21 ft

      65.97

5. Find the area of the circle. Round to the nearest hundredth.

      346.36

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