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What is the value of y, and quick explanation please!

What is the value of y, and quick explanation please!
asked 128k views
3 votes
What is the value of y, and quick explanation please!

What is the value of y, and quick explanation please!-example-1
asked
User Matt Bearson
by
9.6k points

2 Answers

3 votes
think its B. because its a right angle and right angles are 90 degrees

answered
User Kefka
by
7.8k points
3 votes
the total degree value of a triangle is 180.

so 40+y+30+y=180
then solve for y =55
so the answer is b
answered
User Robert Conn
by
8.3k points
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