Answer: 1,2
Step-by-step explanation:
47.93 is the answer because multiplication and addition
The square root of 81 is 9
Answer:
14.13 ft²
Step-by-step explanation:
The area of a semicircle is

We were given the radius of the semicircle to be: r=3 feet.
We were also asked to use π as 3.14.
We substitute into the formula to get:

This is the same as:

Or


The area of the semicircle is 14.13 ft²
Answer:
b
Step-by-step explanation:
just out b i dont have time to explain