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Please answer this correctly.I want expert people or genius people to answer this

Please answer this correctly.I want expert people or genius people to answer this-example-1
User Legatro
by
5.8k points

1 Answer

5 votes

Answer:

298.5 cm^2.

Explanation:

The area of the triangular base

= 1/2 * base * height

= 1/2 * 10 * 8.7 cm^2

There are 3 other triangular sides all withe the same area and each of them as area = 1/2 * 10 * 17

So the total surface area of the pyramid

= 1/2 * 10 * 8.7 + 3 * 1/2 * 10 * 17

= 5 * 8.7 + 3 * 85

= 298.5 cm^2.

User Stas G
by
7.0k points
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