Triangle Inequality Theorem

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

• 32, 34, 60
• 28, 30, 58
• 13, 20, 27
• 2, 4, 5

Tags

CCSS.7.G.A.2

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

Tags

CCSS.7.G.A.2

Select the measurements that match the sides of a triangle.

• 7, 9, 19
• 7, 12, 1
• 7, 7, 7
• 7, 7, 16

Tags

CCSS.7.G.A.2

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

Will these line segments form a triangle?

• yes

• no

• 5 ft., 8 ft., 15 ft.
• 2 ft., 5 ft., 8 ft.
• 5 ft., 8 ft., 12 ft.

If a triangle has side lengths of 12 cm and 14 cm, which of the following could be the 3rd side length?

• 27 cm

• 3 cm

• 2 cm

• 30 cm

Sally is trying to draw a triangle. Her first two sides measure 7 in and 11 in. What length could she use for the third side of her triangle?

• 20 in

• 4 in

• 8 in

• 19 in

While drawing a triangle, Michael decided that he wanted to have the longest side to measure 32 cm. Which pair of side lengths could create the other two sides of his triangle?

• 16 cm, 16cm

• 14 cm, 12 cm

• 18 cm, 16 cm

• 17 cm, 15 cm

Which range could be the measurement of the third side of a triangle if the other two sides were 21cm and 15 cm?

• 7 - 14

• 17-22

• 1-5

• 6-14