Question

in a triangle ABC DE parallel BC if de is equal to 4 cm BC equal to 8 cn area of triangle area 25 square cm find the area of triangle ABC

Answer 1

ar of ADE=1/2×4×h=25

h=25/2

ADE is similar to ABC

ratio of sides=ratio of heights

4:8=25/2:x

x=25

h of ABC=25

ar of ABC =1/2×25×8

=100

Answer 2

I don't know the answer

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