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trapecia [35]
2 years ago
9

Javed is building a birdhouse in the shape of a triangular pyramid. He drew the net for his birdhouse and labeled the dimensions

. The base is an isosceles triangle with two side lengths of 20 cm. How much wood will Javed need for the birdhouse?
Mathematics
1 answer:
solniwko [45]2 years ago
6 0

Answer:

See attachment

Step-by-step explanation:

Required

How much wood needed (i.e. the surface area)

The question is incomplete, as the net of the triangular prism is not given. So, I will answer with the attached net.

To calculate the surface area, we simply calculate the area of each face of the net.

The area of the net is as follows:

Area= 2 * Area of Triangle + 2 * Area of 2 Congruent Rectangles + Area of the third rectangle

So, we have:

Area = 2 * \frac{1}{2} * 6 * 5 + 2 * 8 * 7 + 8 * 6

Area = 30 + 112 + 48

Area = 190cm^2

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