2/15==x/60
Multiplly
60*2= 120
now divide
120/15= 8
x=8
Sorry but cant answer without a grid or something
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:121
Step-by-step explanation:
Answer:
Option A
fraction numerator square root of 2 over denominator 2 end fraction
Step-by-step explanation:
The answer can be obtained using a calculator.
It corresponds to a notable identity
sin (45) =
/ 2
sin (45) = 0.7071
/ 2 = 0.7071
Please see attached picture