Question

The measures of the angles of a triangle are in the ratio 2:4:6. What type of triangle is it?

a. It cannot be a triangle
b. right
c. obtuse
d. acute

Answer 1

2x + 4x + 6x = 180
What is x?

Answer 2

2x+4x+6x=180
12x=180
x=15

Answer 3

Great.
The angles are
2x = 2(15) = ?
4x = 4(15) = ?
6x = 6(15) = ?
What are the three angle measures?

Answer 4

All right so...

2(15)=30
4(15)=60
6(15)=90

Answer 5

It's a 30 60 90 triangle!

Answer 6

Ok. Now read the choices and answer the question.

Answer 7

It would be b) right
Am I right? :)

Answer 8

You certainly are. Great job.

Answer 9

Thanks!

Answer 10

yw