Triangle Inequality

Identify the smallest angle.

• ∠A

• ∠B

• ∠C

Tags

CCSS.HSG.CO.C.10

Name the sides from SMALLEST to LARGEST

• RS, ST, TR

• ST, RT, RS

• RT, ST, RS

• RT, RS, ST

Tags

CCSS.HSG.CO.C.10

Can a triangle be formed with side lengths:
4, 7, 10

• yes

• no

• not enough information

Tags

CCSS.7.G.A.2

Can a triangle be formed with side lengths:
17, 9, 30

• yes

• no

• not enough information

Tags

CCSS.7.G.A.2

List the angles in order by measure, smallest to largest.

• ∠B, ∠A, ∠C

• ∠A∠,B, ∠C

• ∠A, ∠C, ∠B

Tags

CCSS.HSG.CO.C.10

Name the angles from LARGEST to SMALLEST

• R, S, T

• S, T, R

• S, R, T

• T, S, R

Tags

CCSS.HSG.CO.C.10

Which of the following does not represent the lengths of the sides of a triangle?

• 2 cm, 6 cm, 7 cm

• 5 cm, 2 cm, 5 cm

• 5 cm, 5 cm, 8 cm

• 3 cm, 10 cm, 15 cm

• 5 ft., 8 ft., 15 ft.
• 2 ft., 5 ft., 8 ft.
• 5 ft., 8 ft., 12 ft.