Question

(6) find the fourth angle of the quadrilateral
whose three angle are 106 , 85 ,34​

Answer 1

Let the measure of the fourth angle be x°.

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

Therefore, 54 + 80 + 116 + x = 360

⇒ 250 + x = 360

⇒ x = (360 - 250) = 110.

Hence, the measure of the fourth angle is 110°.

Answer 2

Answer:

135

Step-by-step explanation:

we know that all the angles of a quadrilateral is 360 degree

so 106 + 85 + 34 = 225

now subtract 225 from 360

360-225=135