Pythagorean Converse

Acute, right, or obtuse?

• Acute
• Right
• Obtuse
• I don't know

A triangle has side lengths:
5, 8, 6.  Is this triangle a right triangle, an acute triangle, or an obtuse triangle?

• right
• acute
• obtuse

Tags

CCSS.4.G.A.2

Do the segment lengths 9, 12, and 15 form a right triangle?

• Yes
• No
• Maybe
• Pythagoras

Acute, right, or obtuse?
10 , 13 , 6

• Right
• Obtuse
• Acute
• Not a triangle

Tags

CCSS.7.G.A.2

Acute, right, or obtuse?
77 , 85 , 36

• Right
• Obtuse
• Acute
• Not a triangle