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Please help I'm been doing this for 2 days. only answer if u know

Please Help Im Been Doing This For 2 Days Only Answer If U Know class=

Sagot :

Answer:  33

Explanation:

The base is a 3 by 3 square of area 3*3 = 9 sq ft.

Each of the lateral faces is a triangle with base = 3 and height = 4. The area of one triangle is base*height/2 = 3*4/2 = 12/2 = 6 sq ft. Four such triangles combine to a lateral surface area of 6*4 = 24 sq ft.

Overall, the entire figure has a surface area of 9+24 = 33 square feet

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