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Question

In a right triangle the two acute angles are in the ratio 7:11. Find the measure of acute angles.

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Solution

According to the problem:
Sum of angles of a triangle =180
Let us consider the acute angles =11x and 7x
Implies that
18090=11x+7x
Implies that
90=11x+7x
Implies that
90=18x
x=9018
Implies that
x=5
Hence the acute angle is
7×5=35
and
11×5=55

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