Determining If a Triangle Is a Triangle

Do the following lengths form a triangle

• Yes

• No

Tags

CCSS.7.G.A.2

For ∆ABC, how many possible triangles can be drawn: ∠A = 75°, a = 15 cm, b = 12 cm?

• 0

• 1

• 2

• Can't determine

Tags

CCSS.7.G.A.2

Will this make 1 triangle? 2 triangles? or no triangles?
A= 37°, a=8, b=14

• Trianlge

• Triangles

• No Triangles

Tags

CCSS.7.G.A.2

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

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

• 0

• 1

• 2

• 3

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

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

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

• Yes

• No

Tags

CCSS.7.G.A.2

Do the following lengths form a triangle

• Yes

• No

Tags

CCSS.7.G.A.2