Right Triangle Trig Function in Radian

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

• RIGHTANG
• SOHCAHTOA
• SHOCHATOA

Which trig function would you use with this diagram?

• ^Sin
• ^Cos
• ^Tan
• ^Wha??

What setting on your calculator should you check before working trigonometry problems?

• It should be in "Degree" mode

• It should be in "Radian" mode

• All memory should be cleared

• The trig setting should be set to "on"

What is the length of side x?

• 6.57 cm
• 7 cm
• 7.44 cm
• 26.33 cm

Susan is flying a kite, which gets caught in the top of a tree.  Use the diagram to estimate the height of the tree. 

• 63 ft
• 65 ft
• 74 ft
• 87 ft

A kite is flying 70 feet above the ground and is attached to a string tied to a stake on the ground. The angle of elevation formed by the string and the ground is 40°. Find the length of the string to the nearest foot.

• 45 feet

• 83 feet

• 91 feet

• 109 feet