adam1299
contestada

Three interior angles of a quadrilateral measure 55°, 117°, and 120°. What is the measure of the fourth interior angle?

68°
78°
88°
98°

Respuesta :

SJ2006
We know the sum of all the angles in a quadilateral is equal to 360. so,
it would be: 360 - (55+117+120)

 = 360 - 292
 = 68 degrees

So, option A is your answer.

Hope this helps!
akposevictor

The measure of the fourth interior angle of the given quadrilateral is: B. 68°

What is the Sum of a Quadrilateral?

The sum of all the interior angles of a quadrilateral equals 360 degrees.

The given interior angles of the quadrilateral are: 55°, 117°, and 120°

The measure of the fourth interior angle = 360 - 55 - 117 - 120

The measure of the fourth interior angle = 68 degrees.

Learn more about sum of quadrilateral on:

https://brainly.com/question/10975107

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