The interior angles of a triangle have measures 100°, (4y+25)° , and (3y+20)° . What is the value of y? Enter your answer in the

Question

sleet_krkn [62]

3 years ago

10

The interior angles of a triangle have measures 100°, (4y+25)° , and (3y+20)° . What is the value of y? Enter your answer in the

box.

English

1 answer:

Sergio [31] · Answer 1 · 2022-06-05T10:22:50+03:00

Sergio [31]3 years ago

5 0

Triangle's interior is 180 degrees in total
$100 + (4y + 25) + (3y + 20) = 180 \\ 100 + 4y + 25 + 3y + 20 = 180 \\ 145 + 7y = 180 \\ 7y = 35 \\ y = 5$
y = 5

Hope this helps.