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24-05-2022
Mathematics

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Find the surface area of the pyramid represented by this net.

Find the surface area of the pyramid represented by this net class=

Respuesta :

24-05-2022

Answer:

SA = 189 cm²

Step-by-step explanation:

Surface area of the pyramid = 4·A of triangle + A square

SA = 4·(b· h/2) + side²

SA = 4·(7·10/2) + 7²

SA = 4· 35 + 49

SA = 140 + 49

SA = 189 cm²

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