Calculate unknown angles with the help of outside angle of a triangle — task. Maths CBSE Homework Assignments, Class 7.

Find the measure of angles \(x\) and \(y\) from the following diagram if \(a = \)18\(°\) and the angles (\B)\ and (\C)\ are equal in measure.

The measures of angle \(x\) is \(°\).

The measures of angle \(y\) is \(°\).

Did you find an error?

2. Calculate unknown angles with the help of outside angle of a triangle