anyone please answer
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144
Explanation(top → down):
-1. Parallelograms
The lines are parallel against each other.
We can see 3 parallelograms in the diagram.
In parallelogram, the parallel sides have same length.
-2. Ratio of similarity
But first, let's find the ratio of similarity.
As the ratio of area is 2²:3²:7², the ratio will be 2:3:7.
We can observe that ΔABC is similar to 3 triangles.
-1, 2
From 2
The ratio of ΔABC and other triangles will be 12:2:3:7.
(12=2+3+7 from 1)
-Ratio of area
The ratio will be 144:4:9:49. The area is 144.
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