Question

If the ratio of the triangular pyramids' surface areas is 4:9, what is F?

(Work shown/rexplained is appreciated.) :)

Answer 1

The answer to your question is f = 10.35 in

Explanation:

Data

Proportion = 4:9

height 1 = 4.6 in

height 2 = f

Process

1.- Write the proportion

`(4)/(4.5) = (9)/(f)`

2.- Solve for f

`f((4)/(4.6)) = f((9)/(f))`

`f((4)/(4.6)) = 9`

`4.6(4f)/(4.6) = 9(4.6)`

4f = 41.4

`(4f)/(4) = (41.4)/(4)`

f = 10.35 in