Question

my lesson says the way to find area of a circle is found by doing this (in the question) but i'm still getting it wrong can someone help me plz

Answer 1

I can help, what's the question say?

Answer 2

A = πr2
A= π(62) Substitute r = 6 into the formula.
A = π(36) 62 = 6 • 6 = 36
A ≈ 3.14(36) Use 3.14 as an approximate value for π.
A ≈ 113.04 in2 Simplify.

Answer 3

im using a diameter of 8 so i halved that to find my radius and got 4

Answer 4

then i multiplied 4 *4 so i would have 16 squared

Answer 5

then i multiplied by pi and got 50.24 but the question choices are

Answer 6

A. 4π square inches
B. 8π square inches
C. 16π square inches
D. 32π square inches

Answer 7

Hmm, that's weird, I'm getting the same, entered it into a calculator real quick and it said the same

Answer 8

yea ik that the symbol behind each number also means pi would it be C because we would be multiplying 16 by pi

Answer 9

i think thats it

Answer 10

Yup, you're right.

Answer 11

ok thx