Can the Numbers Make a Triangle

State if the three numbers can be the measures of the sides of a triangle: 12,8,4

• no

• yes

• not enough information

Answer explanation

add two small and compare to the largest

the sum of the smallest must be larger to create a triangle

8+4=12

12=12

Tags

CCSS.7.G.A.2

Determine if the 3 numbers can be measures of the sides of a triangle. 6, 14, 21

• Yes

• No

Tags

CCSS.7.G.A.2

Do the following lengths form a triangle

• Yes

• No

Tags

CCSS.7.G.A.2

Which of the following side lengths form a triangle?

• 1, 2, 3

• 5, 7, 8

• 6, 6, 14

• 80, 20, 50

Tags

CCSS.7.G.A.2

A student is trying to construct triangles using four different sets of angles. The angles in each set are given below. Which set will form a triangle?

• 45°, 65°, 70°

• 150°, 110°, 100°

• 50°, 50°, 50°

• 90°, 90°, 90°

Tags

CCSS.8.G.A.5

Which of the following sets of angles DO make a triangle?

• 80, 40, 55

• 38, 64, 75

• 41, 56, 83

• 25, 89, 40

Tags

CCSS.8.G.A.5

A student is trying to construct triangles using three different sets of angles. The angles in each set are given below. Which set will form a triangle?

• 45°, 65°, 70°

• 150°, 110°, 100°

• 50°, 50°, 50°

• 90°, 90°, 90°

Tags

CCSS.8.G.A.5

Can the following 3 numbers be side measures of a triangle

• Yes

• No

Tags

CCSS.7.G.A.2

AB = 4cm

BC = 3 cm

<B = 30 degrees

• Unique Triangle (1 triangle)

• More than one triangle

• Not Possible ( 0 triangles)

Tags

CCSS.8.G.A.2

Can a triangle have sides with the given lengths?

• Yes

• No

Tags

CCSS.7.G.A.2