Question

if three angles of a quadrilateral s are 70,80,130. find the fourth angle​

Answer 1

Answer:

your answer is 80 degree. I hope its help you.

Step-by-step explanation:

three angles of quadrilateral are:

angle 1 = 70 degree

angle 2= 80 degree

angle 3 = 130 degree

To find fourth angle :

total angles of quadrilateral = 360 degree

angle 1+ angle 2 + angle 3+ angle 4 = 360

70 + 80+ 130 + angle 4? = 360

70+80+130= 280 degree

angle 4 = 360 - 280 = 80 degree