Finding the Length of a Leg

Finding the Length of a Leg

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Sides of a Triangles

• Hypotenuse- the side across from the right angle

• Legs- The two sides that create the right angle

Multiple Choice

What is the length of the hypotenuse?

• 30
• 40
• 50

Multiple Choice

What is the length of the the 2 legs?

• 16 and 30

• 30 and 34

• 34 and 16

Multiple Choice

Sides a and b are called legs.

• true

• false

Solving for a Leg

• Substitute the given leg and hypotenuse into a² + b² = c²

• Square the leg and hypotenuse

• Subtract the leg on both sides

• Square Root both sides

a² + b² = c²

a² + b² = c²

Multiple Choice

Find the length of the missing side. 

• 20 in.
• 68 in.
• 16 in.
• 80 in.

Multiple Choice

Find the missing side length

• 31.3 yd

• 27.4 yd

• 23.6 yd

• 24.2 yd

Multiple Choice

_{^{Find the missing side}}

• 29.2
• 20
• 400
• 10