To solve this you have to divide 90 by 10 which would be 9 so
t=9
Hope it helps
I really want to help but i can’t i am on vacation
Answer:
226.4 m³.
Step-by-step explanation:
The volume of a right cone with a circular base is:
,
where
is the volume of the cone,
is the radius of the cone,- and
is the height of the cone.
The radius of the circular base is one-half its diameter.
.
.
The missing length would be 76m.