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5 votes
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.

User Stanekam
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2 Answers

6 votes

Answer:

your answer will be 5

Step-by-step explanation:

Igo to k-12 and its correct

User Aftab Ahmed
by
8.8k points
1 vote
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.
User Dmitry Ovsyanko
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8.3k points