Activities for Triangles

I have a triangle that has sides 3 inches, 5 inches, and 7 inches. I can make...

• One unique triangle

• Many triangles

• This isn't a triangle

AB = 4cm BC = 3 cm

• Unique Triangle (1 triangle)

• More than one triangle

• Not Possible ( 0 triangles)

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

• 0

• 1

• 2

• Infinitely Many

Can a triangle have sides with the given lengths?

• Yes

• No

Can this set of angles be used to construct a triangle?

90^o, 80^o , 20^o

• Yes

• No

• I don't know

Which of the following side measures form a triangle?

• 4, 6, 10

• 4, 6, 9

• 4, 6, 11

• 2, 4, 6

Do the following lengths form a triangle

• Yes

• No

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

• 0

• 1

• 2

• Can't determine

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

• Trianlge

• Triangles

• No Triangles

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

• 0

• 1

• 2

• 3