sorry if my handwriting is bad:
What is the area of a regular 15-gon with a perimeter of 90 m
1 answer:
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Answer:
x^3-x^2-11x+15
Step-by-step explanation:
Answer:
5+40
Step-by-step explanation:
perimeter of circle=2r
so 5 is r(radius)
so 10, but since it’s semicircle, you have to divide by 2, so
5
perimeter of rectangle=15+10+15 because you don’t count the inside, so that equals 40
so 5+40