Question

will give medal if help me please Two angles of a quadrilateral each measure 90°. A third angle of the quadrilateral measures 125°.

What is the measure of the fourth angle of the quadrilateral?

A.
55°

B.
65°

C.
90°

D.
125°

Answer 1

the sum of the interior angles of a quadrilateral is 360 degrees, so you have 2(90)+125+x=360, solving for x you get x=55

Answer 2

thank you

Answer 3

http://www.mathsisfun.com/geometry/interior-angles-polygons.html
Take a look here

Answer 4

cool thanks

Answer 5

yw