Answer:
The circle length is 90*pi which should be 3.14
So the circle length is 282.6
The central angle is 90 degree which is 1/4 part of 360 degree
From the theory of arc, the arc length should also be 1/4 part of circle length.
So the answer should be 1/4 * 282.6 = 70.65
Becasue it should be to the nearest tenth, so the answer should be 70.7
Step-by-step explanation:
Answer:
174 inches squared
Step-by-step explanation:
First, we have to remember what the area of a triangle is:

Since there are 4 of the same triangle, multiply the area of one triangle by 4:



