Side Lengths of a Triangle

Determine if it is possible to form a triangle with the given side lengths.

7 yd, 8 yd, 9 yd

• yes

• no

Do the following lengths form a triangle

• Yes

• No

Determine if a triangle can be formed with the given lengths. If so, classify the triangle.

• yes, acute

• yes, right

• yes, obtuse

• no triangle can be formed

Do the following lengths form a triangle

• Yes

• No

Each of the sails on Joshua’s sailboat forms a triangle. The side lengths of one sail are 13, 17, and 20. What is the measure of each side of the sail?

• XY = 13, XZ = 20, YZ = 17

• XY = 17, XZ = 13, YZ = 20

• XY = 20, XZ = 17, YZ = 13

• XY = 13, XZ = 17, YZ = 20

Tags

CCSS.HSG.CO.C.10

Each of the sails on Joshua’s sailboat forms a triangle. The side lengths of one sail are 13, 17, and 20. What is the measure of each side of the sail?*the largest angle is opposite the longest side length

• XY = 13, XZ = 20, YZ = 17

• XY = 17, XZ = 13, YZ = 20

• XY = 20, XZ = 17, YZ = 13

• XY = 13, XZ = 17, YZ = 20

Can the sides of a triangle have lengths 3, 4, and 9?

• Yes

• No

• I don't know

• Cannot be determined

Which set of side lengths will make a triangle?

• 6, 8, 15

• 2, 6, 9

• 7, 7, 14

• 6,8,13

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

• 32, 34, 60

• 28, 30, 58

• 13, 20, 27

• 2, 4, 5

Bob wants to build a tepee frame with three sticks to form the triangular base.  If his sticks measure 15 inches, 10 inches and 4 inches will he be able to build the frame?

• No

• Yes