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Please help me with this math sentence

Please help me with this math sentence-example-1
User Foxer
by
9.1k points

1 Answer

4 votes

Answer:

he needs 17 square inches of shelf paper because he only need to cover the top part

Explanation:

A=2AB+(a+b+c)h

AB=s(s﹣a)(s﹣b)(s﹣c)

s=a+b+c

2

User Ross Brasseaux
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