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Math help needed (grade 9)

Math help needed (grade 9)-example-1
User ReaperSoon
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1 Answer

5 votes

Explanation:

volume = base area × height

= (1/2×12×16)×10

=960cm3

surface area:

1. triangle area = 1/2×12×16=96cm2

2.bottom area = 12×10=120cm2

3.side area = 16×10=160cm2

4.slope area = 10×20=200cm2

5.add everything and remember you have two triangle

surface area= 96×2+120+160+200 =672cm2

User Hasan Fahim
by
8.7k points

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