7.2 Converse of the Pythagorean Theorem

Which set of sides would make a right triangle?

• (4,5,6)
• (8,10,12)
• (5,12,13)
• (5,10,12)

Acute, right, or obtuse?

• Acute

• Right

• Obtuse

• not a triangle

Acute, right, or obtuse?

• Acute

• Right

• Obtuse

• not a triangle

20, 21, 28

• right

• acute

• obtuse

• not a triangle

11, 12, 15

• right

• obtuse

• acute

• not a triangle

10, 12, 25

• acute
• right
• obtuse
• not a triangle

6, 8, 10

• acute
• right
• obtuse
• not a triangle

2, 12, 13

• acute
• right
• obtuse
• not a triangle

6, 7, 14

• acute
• right
• obtuse
• not a triangle

3, 4, 5

• acute
• right
• obtuse
• not a triangle