Question

if the sum of the three angles of a quadrilateral is 115 then what will four angle ​

Answer 1

Answer:

245

Step-by-step explanation:

Let us say that the angles are a, b, c and d.

Then,

a + b + c = 115

a + b + c + d = 360

(a + b + c) + d = 360

115 + d = 360

d = 245