3 years ago

The angle measures of a triangle are 2y+3 degrees 9y-7 and 7y+4 degrees what is the value of y

Mathematics

1 answer:

Roman55 [17]3 years ago

6 0

Answer:

2y+3+9y-7+7y+4=180

2y+9y+7y=180(+7-7)

18y=180

y=180/18

y=10

then

2y+3

2×10+3

20+3

9y-7

9×10-7

7y+4

7×10+4

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