in the figure BC =12cm,BD=3cm area of the triangle ABC is 80sq.cm what is BD: DC
find the area of the triangle ADC
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Answers
Answered by
74
Answer: The area of Δ ADC= 60 square cm.
Explanation:
Since we have given that
BC=12
BD=3
DC=BC-BD=12-3=9
So, BD:DC=3:9=1:3
So, we can let
BD=x and DC=3x
Now,
So,
Now,
Answered by
6
Answer:
60cmsq
Step-by-step explanation:
area of triagnle ABC = 80 cmsq then the area of triangle adc = 80-20 = 60 so the triangle abd = 20
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