Many Triangles

Which set of side lengths will make a triangle?

• 6, 8, 13

• 7, 9, 18

• 7, 7, 14

• 2, 6, 9

Which set of side lengths will NOT make a triangle?

• 3, 4, 5

• 1, 3, 4

•  3, 5, 7

• 2, 8, 9

Which theorem is used in the following example?
AB = 12 cm
BC = 10 cm
CA = 8 cm

• SSS

• SAS

• ASA

• AAS

A triangle has angle measurements of 54°, 52°, and 74°. What kind of triangle is it?

• acute triangle

• right triangle

• obtuse triangle

• none of the above

Which would be the best classification for the triangle shown?

• right isosceles

• obtuse scalene

• obtuse isosceles

• acute scalene

Does a triangle with these side lengths exist?
33, 16, 17

• Yes

• No

• I don't know.

Find the missing angle.

• 29° 

• 39° 

• 49° 

• 59° 

Which of the following theorems do NOT produce a unique triangle: 

• SSS

• SAS

• ASA

• SSA

If 2 of the angles of a triangle are 30 and 70 degrees, the third angle measures...

• 80

• 100

• 60

• 90

Which of these lengths CANNOT represent the sides of a triangle?

• 32, 34, 60

• 28, 30, 58

• 13, 20, 27

• 2, 4, 5