Question

if the measures of three angles of a quadrilateral are 85 degree , 70 degree and 100 degree, then the measure of the 4th angle is what

Answer 1

answer is 4angle is 105

Answer 2

Answer:105

Step-by-step explanation:

sum of angles of quadrilateral is 360

let us assume the unknown angle as x

so we get 85+70+100+ x=360

255+x=360

so x=360-255+105

hope this is helpful