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Tems11 [23]
2 years ago
5

The sum of the measures of the angles of a triangle is 180. The sum of the measures of the second and third angles is three time

s the measure of the first angle. The third angle is 15 more than the second.
Mathematics
1 answer:
valentina_108 [34]2 years ago
8 0

Answer:

Angle #1 is 45 degrees

Angle #2 is 60 degrees

Angle #3 is 75 degrees

Step-by-step explanation:

x- angle #1

y- angle #2

(180-x-y)- angle #3

3x=180-x

4x=180

x=45

180-x-y=y+15

y=60

180-60-45=

180-105= 75

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