Question

In a quadrilateral, three angles are in the ratio 3: 3: 1 and the fourth angle is 80. Find the measures of equal angles.

Answer 1

Answer:

The angles will be 120, 120, 40 and 80 degrees.

Step-by-step explanation:

Here, let the angles be 3x, 3x and x respectively.

Now, sum of angles of quadrilaterals is 360.

So, 3x + 3x + x + 80 = 360

7x = 280

x = 40 degrees

Now, we will find angles,

3x = 3 * 40 = 120 degrees

3x = 3 * 40 = 120 degrees

x = 40 degrees

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