Question

the area of a triangle is 90 cm square if its base is 20 cm long find the measure of its corresponding altitude​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

area = 90 cm^2

area of ∆ = 1/2×base × height

90 =1/2×20×x

90=10x

x=9 cm

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