Question

PLEASE HELP:)
I will fan and medal! Don't forget to check out my diagram!

Calculate the area of the sector bounded by DQ, EQ, and (arc)DE

a. 6 pi
b. 10.8 pi
c. 45 pi
d. 72 pi

Answer 1

\[\frac{ 72 }{ 360 } * 225 \]

Answer 2

So.. 45 pi?

Answer 3

And could you please explain where the 225 came from?

Answer 4

radius^2

15^2

Answer 5

Oh okay! Okay, so could you help me with one more?

Answer 6

sure

Answer 7

Okay, so same diagram.

Q: Approximate the area of the circle segment bounded by DE and (arc) DE. (Hint: Use trigonometry as needed).