Answer:
Step-by-step explanation:
d = 2
arc length of semicircle = ½×circumference = ½×πd = π
perimeter of semicircle = π + d = π+2
The answer and work is in the SS below
Answer:
9 and -2
Step-by-step explanation:
9 - 2 = 7
9 * -2 = -18
Answer:
The number is 30
Step-by-step explanation:
Of means multiply and is means equals
30% * N = 9
Change to decimal form
.3 * N = 9
Divide each side by .3
.3/.3 *N = 9/.3
N = 30