Question

A circle has an area of 50.24 in.². Daisy solves

the equation as shown below to find the radius
of the circle. What is the diameter of the circle?
1st Step:
50.24-314rr 2nd Step: 16 = rr
Four times
itself is 16!
3.14
3.14
r = 4
A
B
4 in.
8 in.
16 in.
C

Answer 1

8in

Explanation:

Using the formulas

`area = 2\pi \: r {}^(2)`

d= 2r

Solving for d

d= 2r

`d = 2 \sqrt \ (a)/(\pi) = 2. \sqrt{ (50.24)/(\pi) } = 7.99797`

Answer 2

A 6 I’m pretty sure that’s right