Question

the measure of three angle of quadrilateral is 30 degree 70 degree and 15 degree find out the measurement of fourth angle ?​

Answer 1

Answer:

145

explanation

hope this help u

Answer 2

Answer:

245°

Step-by-step explanation:

in a quadrilateral sum of all angles is equal to 360°

so

30+70+15+x=360

115+x=360

x=360-115

x=245