Sohcahtoa Missing Sides and Angles

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

• RIGHTANG
• SOHCAHTOA
• SHOCHATOA

Which side 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 cosC

• 16/34
• 16/30
• 30/34
• 34/16

 Find sinC

• 21/35
• 28/21
• 35/28
• 28/35

Find x round to the nearest tenth.

• 46.1

• 4.9

• 16.4

• 26.9

Which Trig function do you use to solve for x?

• Sine

• Cosine

• Tangent

Select the correct trig ratio set up.

• sin(47) = x/28

• cos(47) = x/28

• tan(47) = x/28

• cos(47) = 28/x

Determine the length of side x.

• 6.57 cm

• 7 cm

• 7.44 cm

• 26.33 cm

What would you use to solve for a?

• sin
• cos
• tan
• Pythagorean theorem