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Find the surface area of the pyramid below. PLS HELPPP
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Find the surface area of the pyramid below. PLS HELPPP

Find the surface area of the pyramid below. PLS HELPPP-example-1
User Amsvartner
by
3.9k points

1 Answer

6 votes

Answer:

149.45 cm²

Explanation:

Surface area of pyramid = ½Pl + BA

Perimeter of the base (P) = 7 + 7 + 7 = 21 cm

Slant height (l) = 12.2 cm

Area of base (BA) = ½*bh = ½*7*6.1 = 21.35 cm²

Plug in the values

Surface area = ½*21*12.2 + 21.35 = 149.45 cm²

User Iandotkelly
by
3.9k points
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