Any two numbers, normally degrees, such as 10° and 170°, that add up to equal 180°
I would recommend calculatorsoup.com for the fractions part.
11 is the answer.
10+10=20
20-9=11
11+9=20
11
<span> By definition, the volume of a cone is given by:
</span>

<span> Where,
r: radius of the circular base of the cone.
h: cone height
The cone radius is given by:
</span>

<span> Where,
d: diameter of the circular base.
Substituting values we have:
</span>

<span>
Then, the volume will be:
</span>

<span>
Answer:
The volume of the cone is given by:
</span>

<span>
</span>