If a quadrilateral has 3 angles measure 60,45 and 100; find the measure of the fourth angle

Question

asked Feb 19, 2021 130k views

2 Answers

Shivansh Jagga · Answer 1 · 2021-02-25T04:11:57+0000

Answer:

The fourth angle is 155

Explanation:

The sum of the angles of a quadrilateral are 360 degrees

60 + 45 + 100 + x = 360

Combine like terms

205+x = 360

Subtract 205 from each side

205+x-205 = 360-205

x =155