Answer:
207.24 inch^2
Step-by-step explanation:
A=2*3.14*9+2.3.14*3*8
=56.52+150.72
=207.24 square inches
0.26
A (x , y), radius of circle = 1
y/radius = y/1 = sin 15°
y = 0.26
The equation is : r + 2 = 7
1+1+1+1+1+1+1 = r + 1 +1
7 = r + 2
R = 7-2
R = 5
2 : 5, or 2/5
4 : (3 + 3 + 4) =4 : 10 = 2 : 5