Question

three angles of a quadrilateral measure 110°, 90° degrees and 60°. find the measure of fourth angle?​

Answer 1

Answer:

100 degree

Add the three angles and subtract the sum from 360 degree (angle sum property of quadrilateral)

Answer 2

Answer:

fourth angle is 100°

Step-by-step explanation:

three angles of a quadrilateral measure 110°, 90° degrees and 60°. find the measure of fourth angle?

let,the fourth angle be"x°"

sum of all angles of quadrilateral =360°

=>110°+90°+60°+x°=360

=>260°+x°=360°

=>x°=360°-260°

=>x°=100°