Answer:
Step-by-step explanation:
Given
Required
Find the measure of a
Since there is no diagram to support the question, we'll assume that:
This gives:
Subtract 22 from both sides
Lesser = -7
Greater = 4
d = 2
arc length of semicircle = ½×circumference = ½×πd = π
perimeter of semicircle = π + d = π+2