Unit 5 Review

Can the sides of a triangle have lengths 3, 8, and 9?

• Yes
• No

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

• Yes
• No

Which of the following would NOT work to make a triangle with the two side lengths of 2 and 6?

• 6
• 7
• 5
• 4

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

• 32, 34, 60

• 28, 30, 58

• 13, 20, 27

• 2, 4, 5

If the longest side of the triangle was 10, then the two shorter sides must have a sum that is

• any length

• equal to 10

• greater than 10

• less than 10

Which of the following does not represent the lengths of the sides of a triangle?

• 2 cm, 6 cm, 7 cm
• 5 cm, 2 cm, 5 cm
• 5 cm, 5 cm, 8 cm
• 3 cm, 10 cm, 15 cm

Will these three sides form a triangle?

• yes

• no

If the lengths of two sides of a triangle are 7 ft & 13 ft, find the range of lengths for the third side.

• more than 6 but less than 20

• more than 20 but less than 6

• less than 6 but more than 20

If the lengths of two sides of a triangle are 7 mm & 4 mm, find the range of lengths for the third side.

• 3 < x < 11

• x > 3 and x > 11

• x < 3 or x > 11

Will these side lengths form a triangle?

• yes

• no