Question

Find the lateral surface area of the net below.

-26cm
-20cm
zlom
20cm
Record your answer, be sure to use the correct place value.

Answer 1

9514 1404 393

Answer:

1040 cm²

Explanation:

The lateral surface area of the pyramid is the area of the four triangular faces. Each one has an area of ...

A = 1/2bh

A = 1/2(20 cm)(26 cm) = 260 cm²

Then the area of the four faces is ...

4 × 260 cm² = 1040 cm² . . . . lateral surface area