Triangles (7th Grade Lesson/8th Grade Review)

T or F: Triangles can be classified using angle measurements and/or side measurements

• True

• False

T or F: Triangles can ONLY be classified by their angle measurements.

• True

• False

A triangle with 3 acute angles is called:

• obtuse

• acute

• scalene

• isosceles

A triangle with 1 obtuse angle is called:

• Acute

• Obtuse

• Right

• Isosceles

A triangle with one angle that measures exactly

 $90\degree$  is classified as

• Right

• Obtuese

• Isosceles

• Scalene

A triangle with 3 congruent angles is called:

• Scalene

• Equilateral

• Isosceles

• Equiangular

A triangle with 2 congruent sides is called:

• Scalene

• Equilateral

• Isosceles

• Acute

A triangle with 3 congruent sides is called:

• Equilateral

• Scalene

• Isosceles

• Equiangular

A triangles with no congruent sides is classified as:

• Isosceles

• Scalene

• Obtuse

• Right

T or F:
You can make a triangle with the 3 angle measurements of

 $50\degree\ \ 70\degree\ \&\ 120\degree$  

• True

• False