Answered

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1. The exterior angles of a triangle are 3yº, 4yº
and 5y. Find y. What are the interior angles of
the triangle?​

Sagot :

bhadelsimron19

Answer:

Step-by-step explanation:

3y+4y+5y=180 degree(sum of exterior angles of a triangle is 360 degree)

12y=360

y=360/12

y=30 degree

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