Question

In figure 3.9, measures of some angles
are given. Using the measures find the
values of x, y, z.
​

Answer 1

Answer:

plese give the fig first

Answer 2

Answer:

I'll be asumming your question is the one with ext angles given. if it is not the one let me know, I'll delete it

Step-by-step explanation:

y + 100° = 180° [ Linear pair ]

=> y = 180 - 100

=> y = 80°

ii ) z + 140° = 180° [ Linear pair ]

=> z = 180° - 140°

=> z = 40°

iii ) In the triangle-

x + y + z = 180° (ASP- angle sum property)

=> x + 80° + 40° = 180°

=> x + 120° = 180°

=> x = 180° - 120°

=> x = 60°

Hence,

x = 60° , y = 80° , z = 40°