A: x= 6+3 squareroot 10 ... Its letter A
Answer:
The volume of a cone is 1 3 π r 2 h \frac { 1 } { 3 } \pi r ^{ 2 } h 31πr2h, where r denotes the radius of the base of the cone, and h denotes the height of the cone.
Step-by-step explanation:
(happy to help)
I think the answer is 180
By using a^2 + b^2 = c^2 we plug that in and get 9+x^2= 25
25-9 is 16
The square root of 16 is 4
Answer is 4
To check, plug it back in you get
9+16=25