Question

Find the exact circumference.

d = 19.7 cm

A.
9.85 cm

B.
19.7 cm

C.
9.85π cm

D.
19.7π cm

Answer 1

@batmano3

Answer 2

circumference = 2pir or pid where d is diameter

Answer 3

so C

Answer 4

not is 2pir or pi*d what mean 3,14*d

Answer 5

A?

Answer 6

sorry is C just i not have saw the pi next 19,7

sorry

Answer 7

not is C is D bc there is diameter time pi so diameter time 3,14

Answer 8

So its D but how can you right it in a epuation? @jhonyy9

Answer 9

circumference = 2pir = pid
circumference = 3,14*19,7