Two angles of a quadrilateral measure 140° and 80°. The other two angles are in a...

Two angles of a quadrilateral measure 140° and 80°. The other two angles are in a ratio of 3:4. What is the value of x? What are the measures of those two angles?

x =

Measures of two angles are?

Solutions

Expert Solution

Since the other two angles of the quadrilateral are in ratio 3:4, therefore assume that the angles are and . Then since the sum of all angles of a quadrilateral must be , therefore:

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The value of other two angles are :

And

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Therefore value of is 20.

Measure of other two angles are and .

milcah answered 2 years ago

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