jlore32232 jlore32232
  • 03-12-2019
  • Mathematics
contestada

please solve with working thankyou

please solve with working thankyou class=

Respuesta :

calculista
calculista calculista
  • 09-12-2019

Answer:

m∠y=72°

Step-by-step explanation:

The question is

Find the measure of angle y

step 1

Find the measure of angle x

see the attached figure to better understand the problem

we know that

m∠x=67° -----> by corresponding angles

step 2

Find the measure of angle y

we know that

(m∠x+m∠y)+42°=180° -----> because form a straight line

substitute the measure of angle x

67°+m∠y+42°=180

m∠y+108°=180

m∠y=180°-108°

m∠y=72°

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