Answer:
Step-by-step explanation:
Ac=3.14*r^2
Ac=9*3.14=28.27
Right Triangle
Let's find the missing angle:
180 - (40 + 50)
180 - 90 = 90°
So we have a right triangle!
32 x 1 x 1
16 x 1 x 2
8 x 2 x 2
4 x 2 x 4
8 x 4 x 1
These are the ones that come to my mind
