Question

Please answer this question ​

Answer 1

Answer:

a+80=180

a=100

70+d=180

d=110

c+90=180

c=90

b+150=180

b=30

ABCDE is a Pentagon. sum of angles of Pentagon is 540.

so 80 +70+150+90+angle. E=540

angle E=540-390

E=150

E+e=180

e,=30

now a+b +c+d+e=100+110+90+30+30=360