Posted by **Delilah** on Tuesday, March 26, 2013 at 6:22pm.

9.

Name the triangles that are classified by angles. (1 point)

right, scalene, isosceles

scalene, isosceles, equilateral

acute, right, obtuse

obtuse, isosceles, acute

I chose the answer "scalene, isosceles, equilateral" but the correct answer is "acute, right, obtuse". Why is that?

- Math Ms. Sue please -
**Ms. Sue**, Tuesday, March 26, 2013 at 6:29pm
Scalene, isosceles, and equilateral all refer to the number of equal (or unequal) sides. Acute, right, and obtuse refer to their angles.

Study these sites.

http://www.mathsisfun.com/triangle.html

http://www.dummies.com/how-to/content/identifying-scalene-isosceles-and-equilateral-tria.html

- Math Ms. Sue please -
**Delilah**, Tuesday, March 26, 2013 at 6:30pm
Thank you!!!

- Math Ms. Sue please -
**Ms. Sue**, Tuesday, March 26, 2013 at 6:33pm
You're welcome.

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