A cone has radius 9 and a height 12. A frustum of this cone has height 4. What are the radii of the bases of the frustum?
What is the slant height of the frustum?
What is the lateral area of the frustum?

(If you waste an answer it will be removed so don't try and get "Free" points.)

a line is an defined derm because it

a)contains an infinite number of points b) can be used to create other geometric shapes c)describes something that does not have width or depth d) is a term that does not have a formal definition. a line is an undefined term because it: contains an infinite number of points.

srry idk

step-by-step explanation:

just sum

10 + 10 = 20

60°

step-by-step explanation:

the measure angle of c in an isosceles triangle abc is 60° because in isosceles triangle,the measures of all the angles is 60°.