Question

Find the exact area of the circle with the given diameter.

d = 12.6 cm
A. 39.69 cm2
B.158.76 cm2
C.158.76π cm2
D. 39.69π cm2

plz help will medal

Answer 1

the area of a circle A with diameter d is denoted by
\(A=(\dfrac{d}{2} )^2 \pi\)
s.t \(\pi=3.14\)

Answer 2

so is it d?

Answer 3

Which is the closest approximation to the area of the circle?
Use 3.14 or to approximate π.













A.

57 mm²








B.

113 mm²








C.

324 mm²








D.

1017 mm²





plz help will give medal

Answer 4

first Qn idk which choise is it
wolfram gives this
http://www.wolframalpha.com/input/?i=%2812.6%2F2%29^2+*+3.14

Answer 5

thanx

Answer 6

np :)

Answer 7

D was right:)

Answer 8

What is the exact area of a circular courtyard with a radius of 22 ft?








A.

1936π ft²








B.

484π ft²








C.

44π ft²








D.

22π ft²

Answer 9

will medal