Question

A triangular pyramid and its net are shown. Rain uses the calculations below to conclude

that the surface area of the triangular pyramid is 238.5 square inches.
3({ x 10 x 13) + (1 x 10 x 8.7)
3 (65) + 43.5
238.5
Is Rain correct? Use the drop-down menus to explain your reasoning.
12 in
12 in
13 in
13 in
8.7 in.
12 in.
10 in
10 in
10 in

Answer 1

Answer: has a factor of 13 where it should have a 12.

does not apply the order of operations correctly.

determines.

245 sqaure inches.

Explanation:

I took the i ready diagnostic.

Answer 2

has a factor of 13 where it should have a 12

does not apply the order of operations correctly

determines

245

Explanation:

I took the iready test