Answer:
The perimeter of the shape is (7x²+10x+81) inches.
Step-by-step explanation:
When finding the perimeter of a shape, you have to add up all the side lengths :



Aiden should have calculated
area = (1.1 * 5.4) / 2
because triangle area = half the base times the altitude.
Answer: 3900
ft^3
if you use the formula on how to find the volume of a cone
V=
r^2*h/3
you will insert 30 where the r is, 13 in where h is, after you just solve that and your answer would be 3900
ft^3
The answer is 45. 180-90=90. 90 divided by 2 is 45
Answer:
c
Step-by-step explanation:
im not completely sure