Answer:
the answer is 71.2
Step-by-step explanation:
4×4=16
6.9×2=13.8
13.8×4=55.2
55.2+16=71.2
Answer:
Step-by-step explanation:
Perimeter of quarter circle = r + r + 

2) d = 2*10 = 20 cm
Perimeter of semicircle = diameter + (1/2) * circumference of circle

3) Perimeter of three-quarter = r + r + (3/4)* circumference of circle

Answer
Definition of right angles