Question

Need help with this please having a hard time with it

Answer 1

6.28 m^2

Explanation:

4^2 x Pi=area of full circle

45 degree segment =1/8 of a full circle

16x3.14159=50.27 m^2 area of full circle

50.27/8=6.28 m^2 area of 1/8 circle

Answer 2

90 square meters

Explanation:

Formula for sector area--- SECTOR AREA=r^2 a/2

*Multiply the central angle by the radius squared- 45×4=180squred meter

*then, Divide by 2- 180÷2=90