Question

What is the answer
of this ​

Answer 1

Answer:

may be 60° is correct answer

Answer 2

Answer:

Step-by-step explanation:

50 -a =180

a=180-50

a= 130

80-b=180

b=180-80

b=100

60-c=180

c=180-60

c=120

d=x1

e =90

(sum of all (5 sides)angle of a pentagon is 540)

a+b+c+d+e=540

130+100+120+x 1+90=540

x 1=540-440

x 1 =100

x 1-x=180

100-x=180

x=180-100

x=80

Hope , it helpful for u