Determine the unknown angle in the right triangle — task. Mathematics State Board, Class 7.

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Find the value of angle \(b\) for the following right triangle \(PQR\) if the angle \(a =\) 69\(°\). (Note: Use angle sum property of a triangle)

The measure of angle \(b\) is \(°\)

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4. Determine the unknown angle in the right triangle