Determine If Three Sides 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

Do the following lengths form a triangle

• Yes

• No

Tags

CCSS.7.G.A.2

Which side lengths would NOT form a triangle?

• 3, 4, 5

• 2, 5, 9

• 5, 10, 12

• 7, 9, 11

Tags

CCSS.7.G.A.2

Will these side lengths form a triangle: 4 in, 2 in, 8 in?

• 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

Can the following 3 numbers be side measures of a triangle

• Yes

• No

Tags

CCSS.7.G.A.2

State the number of triangles that can be formed using the given information:

• 0

• 1

• 2

Tags

CCSS.7.G.A.2

How many triangles can you make if m∠A = 84, a = 18 and b = 19

• 0

• 1

• 2

• Infinitely Many

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Given ∠C = 36°, AB = 31°, and BC = 24°, how many triangles can be made?

• 0

• 1

• 2

• 3

Tags

CCSS.7.G.A.2

What type of triangle do these measurements make: 6, 9, 17

• acute

• right

• obtuse

• not a triangle

Tags

CCSS.7.G.A.2