Question

In Fig. 9.46, what is z in terms of x and y?
A. x + y +180
B. x + y -180
C. 180° - (x + y)
D. x+y+360°

Answer 1

Answer:

A Options is Right Answer

Step-by-step explanation:

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Answer 2

Answer:

z = x + y-180°

Step-by-step explanation:

In triangle ABC,

x = angle a+ angle b ( exterior Angles )

z = angle a ( vertical opposite Angles )

y = angle a + angle c ( exterior angles )

We know that,

angle A + angle B + angle C = 180°

z + x - angle A + y - angle A =180°

z = x + y - 180°

So, option b (x + y - 180) is the correct option.

Hope you understand the question