Question

please give me answer of this question

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Answer 1

Answer:

Step-by-step explanation:

a) 180 - 120 = 60

y = 60 (corresponding angles are equal)

b) 2y+y = 180

   3y = 180

    y = 180/3

    y = 60

   

the two angles = 1st angle = 60

                            2nd angle = 2y = 2 x y

                                               = 2x60 = 120

(120 +60 = 180)

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Answer 2

i. The blue angle is 120° 》Given

The red angle is y° 》Given

The blue angle + the red angle = 180° 》Supplementary angles

Therefore, 120° + y° = 180°

= y° = 180° - 120°

= 60°

ii. The red angle is 2y° 》Given

The blue angle is y° 》Given

The blue angle + the red angle = 180° 》Supplementary angles

Therefore, 2y° + y° = 180°

3y° = 180°

$y = \frac{180}{3}$

y = 60°