Question

A quadrilateral has three angle equal to 75,75and 110.find it's unknown angle

Answer 1

Answer:

hey,,

we know that: All the angles in a quadrilateral sum upto 360 degrees by angle sum property of a quadrileteral.

Here the angles given are 76, 75 and 110.

let the unknown angle b x

therefore by angle sum property of a quadrilateral

76+75+110+x=360

261+x=360

x= 360-261= 99

hope that this helps;)