The Total Surface Area for the shape below is _.

The total surface area of the shape is 516 m²

Explanation:

Given:

The figure consists of 6 rectangles.

2 of each rectangles are similar in dimension

Total surface area = 2 (8 X 6) + 2 (15 X 8) + 2 (15 X 6)

                              = 96 + 240 + 180

                              = 516 m²

Therefore, total surface area of the shape is 516 m²

d. bc = 12 and ef = 16

step-by-step explanation:

we are given that δabc : δdef such that .

also, it is given that

so, from the options, we need that .

a.

b.

c.  

d.

as, we can see that only option d gives the same ratio as i.e. .

hence, the possible lengths are bc = 12 and ef = 16.

step-by-step explanation: