Answer:

Here, the given 2 angles are complementary angles. The sum is <u>90 degrees</u> as indicated by the right angle symbol.




Answer:
49
Step-by-step explanation:
20+4=24 24+25=49
Answer:

Step-by-step explanation:
r = Radius of semicircle = 
Area of semicircle is given by

The area of the semicircle is
.
Answer:
200.96in
Step-by-step explanation:
I used this equation with 3.14 as pi
Area = 1/2 * 2radius*pi * radius