Question

Given that XY is a line segment with the angle a = 51°, work out the value of

the angle marked b.
Y
b
a
X
The diagram is not drawn to scale.
ASP PLZ

Answer 1

It would be 129 degrees

Answer 2

129º

Explanation:

This is just a guess since you didn't include the diagram

b is supplemetary to a

therefor

b = 180 - a

b = 180 - 51

b = 129º