Question

Two angles of a quadrilateral are of measures 50 degree, and the other two angles are equal. What is the measure of each of these two angles?

Answer 1

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Let the angles of quadrilateral be

A, B, C & D

Let measure of angle A and B = 50°

And angle C = angle D

In a quadrilateral, sum of all 4 Angles = 360°

• A + B + C + D = 360°

• 50° + 50° + 2(angle C) = 360°

• 2(angle C) = 360° - 100°

• 2(angle C) = 260°

• angle C = 260/2

• angle C = 130°

Therefore,, angle C = angle D = 130°

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Answer 2

Answer:

The measure of equal angles is 130°.

Step-by-step explanation:

Given:- Two angel = 50° and two angel are equal.

We know that the sum of all angles of quadrilateral is 360°.

Let other two angels are x.

so,

x + x + 50° + 50° = 360°

2x + 100° = 360°

2x = 360° - 100°

2x = 260°

x = 260/2

x = 130°

so, the measure of equal angles is 130°.

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