If the firs three angles of a quadrilateral measures 54°, 86° and 70° respectively. What is the measure of the fourth angle?

a.150° b.160° c.170° d.180° ​


Sagot :

Answer:

a. 150

Step-by-step explanation:

54+86+70+x=360

x=150

Answer:

a.150°

Step-by-step explanation:

360° - 54° - 86° - 70° = 150°

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