Question

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Answer 1

Answer:

X+y+z = 180° cause when three sides of triangle are added it's always 180°

Answer 2

Step-by-step explanation:

we, know-

sum of two interior opposite angles of triangle=to the exterior angle of the triangle,,

:. angle y = 60° + 40°

= 100°

and also,

angle y+ 80° = 180°(straight angle)

=> angle y = 180°-80°

=> angle y = 100°

Now,

:. angle x = 40°+80°

= 120°

and also,

angle x+ 60° = 180°(straight angle)

=> angle x = 180°-60°

=> angle x = 120°

Now,

:. angle z = 60° + 80°

= 140°

and also,

angle z+ 40° = 180°(straight angle)

=> angle z = 180°-40°

=> angle z = 140°

so, the measures of the angles x,y & z by using the given figure are-

angle x = 120°

,, y= 100°

,, z = 140°

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