Missing Sides of Right Triangles

What is the acronym to help you remember the ratios to use in trigonometry?

• RIGHTANG
• SOHCAHTOA
• SHOCHATOA

What leg is considered the hypotenuse?

• Any side
• the side opposite the smallest angle
• the side opposite the right angle
• the side opposite the shortest leg

What type of triangles do you use the trig ratios with?

• any type
• right triangle
• obtuse triangle
• acute triangle

Find the length of the missing side x...

Round your answer to 1 decimal place.

• 8.3 cm

• 16.7 cm

• 11.8 cm

• 8.4 cm

Find the length of the missing side x...

Round your answer to 1 decimal place.

• 3.8 cm

• 28.8 cm

• 3.9 cm

• 3.6 cm

Find the length of the missing side x...

Round your answer to 1 decimal place.

• 10.3 cm

• 10.2 cm

• 17.5 cm

• 8.6 cm

Find the length of the missing side x...

Round your answer to 1 decimal place.

• 8.7 cm

• 10.2 cm

• 12.3 cm

• 8.6 cm

Which trig ratio would you use for the following?

• Sin

• Cos

• Tan

• You would not be able to use trigonometry

Which trig ratio would you use for the following?

• Sin

• Cos

• Tan

• You would not be able to use trigonometry

We can use SOH-CAH-TOA for...

• Any triangle ever
• Non-right triangles only
• Right Triangles only
• Never