Classifying Triangles and Triangle Inequality Theorem

Classify the triangle by angle and side.

• Equiangular-isosceles

• Right- equilateral

• Equiangular - equilateral

• Acute - right

Classify triangle by angle and side.

• Obtuse - Isosceles

• Acute - Isosceles

• Right - Equilateral

• Acute - Equilateral

Classify the triangle by angles and sides.

• Right Scalene

• Acute Isosceles

• Obtuse Isosceles

• Equiangular Equilateral

Solve for x.

• 7

• 9

• -11

• -8

If a triangle is equilateral, then it is _______ .

• obtuse

• complementary

• equiangular

• supplementary

Order the sides from greatest to least

• a , b , c

• b , c , a

• c , b , a

• a , c , b

Identify the shortest side measure.

• QP

• QM

• MP

Identify the smallest angle.

• ∠K

• ∠L

• ∠M

Identify the longest side measure.

• LM

• MQ

• LQ

Does a triangle with these side lengths exist?
15, 12, 9

• Yes

• No

• I don't know.