Here is the work.......<span>Vof Pyramid=1/3*b^2*h
V1=V2
1/3*(20)^2*21=1/3*b*84
your answer is 10.....I know it has to be one of your option......rate this answer please!</span>
Answer: The answer would be- Marla drove 1.9 hours.
Step-by-step explanation: This is pretty simple, all you do istake the total numberof hours which is 3.8 then divide it into 2 because there is 2 people. After you divide 3.8 and 2 you shoud come up with the answer1.9.
Answer:
The radius of the circle is 
Step-by-step explanation:
we know that
In a circle, a 90-degree sector represents a quarter of the circle area.
The area of a quarter circle is equal to

we have
----> area of a quarter circle
so

Simplify

