Question

the measure of one angle of quadrilateral is 210degree and measures of other three angles are equal find the measure of each angle.

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Answer 1

Given:

The measure of one angle of the quadrilateral is 210degree

To find:

The measure of the other three angles of the quadrilateral

Solution:

We have given in the question that all the remaining three angles if the quadrilateral are equal

Let the other angles of the quadrilateral is x°

So by the angle sum property of the quadrilateral the sum of all the angles must be 360°

• 210° + x° + x° + x° = 360°
• 3x° = 360° - 210°
• 3x° = 150°
• x° = 150°/3
• x° = 50°

So the remaining angles of the quadrilateral are 50°, 50° and 50°