TRiangle Inequality THM

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

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

Can the following side measures form a triangle?
  3 ft, 5 ft, 8 ft 

• Yes
• No

Can the following side measures form a triangle?
  4 cm, 7 cm, 10 cm 

• Yes
• No

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

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

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

Which set of numbers may represent the lengths of the sides of a triangle?

• {2,5,9}
•  {6,6,7}
• {6,4,2}           
• {7,8,1}

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

• Yes
• No
• I don't know.

Two angles that add up to 90 degrees are called _____________ ______.

• supplementary angles
• complementary angles
• corresponding angles
• right angles

Two angles that add up to 180 degrees are called _____________ ______.

• right angles
• corresponding angles
• complementary angles
• supplementary angles

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

• 80
• 100
• 60
• 90