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How to do I am stuck with the q

How to do I am stuck with the q-example-1

1 Answer

4 votes
Let's say that BC is x, so that AB is 4x, and AE = y.

The shaded area then is represented by 4xy/2 = 2xy.
The total area is represented by (4x+x)*y = 5xy.

The fraction of these is 2xy/5xy = 2/5.

Chocolatey107 is right!
User Ammar Bukhari
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