The answer is 11.2
The Pythagorean Theorem says
a^2+b^2=c^2
From the picture, we know one side, and the hypotenuse.
10^2+b^2=15^2
100+b^2=225
b^2=225
Sqrtb^2=sqrt225
b=11.18
Rounded to the nearest tenth it is 11.2
Answer:
The exact value of the volume is equal to
Step-by-step explanation:
we know that
The volume of a cone is equal to
we have
convert to an improper fraction
substitute in the formula of volume
Simplify
substitute
Answer:
The length of the ramp must be at least 14.71 feet
Step-by-step explanation:
Given
<em>See attachment for complete figure</em>
Required
Length of the ramp (z)
To do this, we consider sin of angle A ().
So, we have:
This gives:
Make z the subject
<em>The length of the ramp must be at least 14.71 feet</em>