How to find an angle in other quadrilaterals

Practice Questions

ISEE Upper Level Mathematics Achievement › How to find an angle in other quadrilaterals

Questions

4

1

In a quadrilateral, the angles have the following values:

$94^{\circ},27^{\circ},81^{\circ},\textup{and }(4x)^{\circ}$ .

What is the value of ?

2

The four angles of a quadrilateral have the following value: 79 degrees, 100 degrees, 50 degrees, and degrees. What is the value of ?

3

The angles of a quadrilateral measure $x^{\circ }, x^{\circ }, \left ( x+45 \right ) ^{\circ }, \left ( x+65 \right ) ^{\circ }$ . Evaluate .

4

Three of the interior angles of a quadrilateral measure $51^{\circ }$ , $120 ^{\circ }$ , and $77^{\circ}$ . What is the measure of the fourth interior angle?

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