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What is the surface area of the solid

What is the surface area of the solid-example-1
User Arnthor
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1 Answer

19 votes
19 votes

Answer:

189

Explanation:

each of the triangles has a area of 35 cm, so 35x4=140, then the square is 49 cm so its 140+49=189.

User Ujwal Dhakal
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