Answer:
use photo math. it will help
He is wrong...
2 1/2 + 3 3/5 = 97/20
Simplified, I believe the answer is 4 17/20
Answer:
128.8cm^2
Step-by-step explanation:
area of circle with radius 6cm = π6^2
area of circle with radius 9cm = π9^2
shaded region is equal to π9^2 - π6^2
which is 41π
therefore the shaded region is = 128.8cm^2