Understanding existence of triangles

Can the following 3 numbers be side measures of a triangle

1, 13, 13

• Yes

• No

AB = 4cm

BC = 3 cm

<B = 30 degrees

• 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?

3 in, 6 in, 2 in

• Yes

• No

• 0

• 1

• 2

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

90^o, 80^o , 20^o

• Yes

• No

• I don't know

Can the following 3 numbers be side measures of a triangle

8, 2, 8

• Yes

• No

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

2 inches

10 inches

13 inches

• 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