In ABC, AB=10 cm, BC=9 cm and the height on the side AB is CD= 4.5cm , find the height on the side BC.
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Answer :
We know that
area of triangle = 1/2 base * Height
Step 1- In triangle ABC when CD is the Height on AB
Area of triangle =1/2 AB*CD here AB= 10 cm
CD = 4.5 c.m
1/2 * 10 * 4.5 cm
5 * 4.5 = 22.5 cm
Step 2- In triangle ABC when AO is the Height on BC
area of triangle = 1/2 base * Height
22.5 = 1/2 BC * AO
22.5 = 1/2 * 9 * AO
9 * AO = 22.5 * 2
AO = 45/ 9
AO =5 cm
#Diagram is attached with this answer.
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22,22,23,20,16,17,17,_,_,8
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