arc length = radius multiplied by angle in radians
radius = 7 angle = 90 degrees
90 degrees = 1.571 radians
7 × 1.571 = 10.997
AB is 10.997 or 11 inches long
Answer:
I think it's 139.
Step-by-step explanation:
5+5=10
10-3=7
7+70=77
77-47=30
30+109= 139
Answer:
srry
Step-by-step explanation: