Calculate the interior angle of a quadrilateral — task. Maths CBSE Homework Assignments, Class 8.

Calculate the value of angle \(B\) in the following quadrilateral if the measure of angle \(A = D = 80°\) and \(C = 85°\).

The measure of angle \(B\) \(=\) \(°\).

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1. Calculate the interior angle of a quadrilateral