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21. A triangle with base length of 18 cm has an area of 99 cm? What is the height of the triangle?​

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Answer:

we can find height of a triangle by this formulae

  1. area of a triangle (A)=1÷2b×h

area(A)=99cm

base(B) =18 cm

height(H)=?

User Earlcasper
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