melaniemoreno915 melaniemoreno915

02-02-2021
Mathematics

contestada

Find the value of x and the value of y.
A. x = 130, y = 50
B. x = 135, y = 45
C. x = 140, y = 40
D. x = 145, y = 35

Find the value of x and the value of y A x 130 y 50 B x 135 y 45 C x 140 y 40 D x 145 y 35 class=

Respuesta :

unicorn3125 unicorn3125

02-02-2021

Answer:

B. x = 135, y = 45

Step-by-step explanation:

x° + y° = 180° {suplementary angles}

x° = 3y° {corresponding angles by parallel lines}

So:

3y° + y° = 180°

4y° = 180°

y° = 45°

y = 45

x° = 3×45° = 135°

x = 135

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