Question

The angle of quadrilateral are 100,81,130 degree

Answer 1

what's to find in this question..??
Is it to find the fourth angle.
First confirm your wording

Answer 2

Answer:

49°

Step-by-step explanation:

let's the fourth angle be x

100+81+130+x=360° (Angle sum property of quadrilateral)

311+x=360° (transpose 311)

x=360-311

x=49°

Therefore the fourth angle is 49°

(Re-check - 100+81+130+49=360)

Thank you