Question

mc115-1.jpg
When NB = 12 ft, find the area of the region that is NOT shaded. Round to the nearest tenth.

150.7 ft2
88.3 ft2
452.2 ft2
363.9 ft2

Answer 1

can you post the image that goes with this?

Answer 2

please help!

Answer 3

Hope it helps.

Answer 4

the answer given by YZY is correct
in short form full circle area =pi*r^2=452
minus sector which is a fraction of a full circle = 120/360*450=150
add on the triangle area 1/2 base *height=62.3
452-150.8+62.3=363.5