Step-by-step explanation:
Before we answer, the area of a Circle given it radius is

The area of a circle given it diameter is

So let answers question 1-4.
1. The area is

2. The area is

3.

4.

For the 5th problem, circumference is

where d is the diameter and

where r is the radius.
A circumference of 100 m means the radius is 50 because


So this means the area is

Answer:
30 people own a cat
Step-by-step explanation:
Answer:
true
Step-by-step explanation:
yes the statement is correct
Eighty five million, one hundred nine thousand, one hundred seventy-eight.
Angle 3 is equal to angle 5 because of vertical angles.