radius = diameter/2
radius = 6.5/2 = 
m
<span>volume </span>
x 
x (radius)³
x x 
x x 
= 144 cubic meters
The ratio of similar areas is the square of the ratio of the scale factor.
Circle R's sector is (5/2)² = 25/4 the area of Circle Q's sector.
PEMDAS- Parenthesis, Exponent, Multiplication, Division, Addition, Subtraction.
For #2, ∠3 and ∠1 are supplementary. You know that the measure of ∠1 is 162°, so what is ∠3? 180-162=18.
m∠3=18° if ∠1=162°.
Hope this helped!
