Question

Look at the net of a square-based pyramid in the picture.
Find the surface area of this pyramid.

Answer 1

Answer:

4traingle with same base and height

area of∆1/2×base×height

4∆ are there

so 4×1/2×10×8

2×10×8

160cm²

area of square=side²

10²

100cm²

so total surface area=100+160

260cm²

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