Right Triangle Altitude Leg Theorem

 Find sinA

• 32/40

• 32/24

• 24/40

• 24/32

Find the length of the missing side. 

• 17 cm

• 22 cm

• 15 cm

• 13 cm

What is the side opposite angle A?

• 12

• 13

• 5

• 25

What is the side across from the right angle called?

• Leg

• Pythagoras

• Hypotenuse

• Altitude

• (1)

• (2)

• (3)

• (4)

In the accompanying diagram, ΔABC is a right triangle and CD is the altitude to the hypotenuse AB. If AD = 4 and DB = 16, find the length of CD.

• 4√5

• 8

• 4√15

• 2√5

• A
• B
• C
• D

• A
• B
• C
• D

• A
• B
• C
• D

Choose the correct ratio.

• sinZ=5/13

• sinX=5/13

• cosX=13/12

• tanZ=12/5