Answer:
dont say you feel dumb we all need help
Step-by-step explanation:
Answer: 15.71 is it when using 3.14 as the pi substitute
The arc is simply the length of its portion of a circumference. Because its half of a circle, we can just find the circumference of the circle and divide it by 2.
C = 2 * 3.14 * radius/2 (because semi circle)
= 15.71
Imma just go A
6 1/10
4 + 1/2+1+3/5
5+1+1/10=6 1/10
