Finding a Side of Trigonometry

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

If you are given the two sides that are not the hypotenuse, which trig function should you use?

• sine

• cosine

• tangent

• cotangent

What is the correct equation to solve for x ?

• tan( 46 ) = 17/x

• sin ( 46 ) = x/17

• tan (46 ) = x/17

• cos (46) = x/17

Solve for x.

• 10

• 11.3

• 12.0

• 15.0

Solve for the misssing distance

• 18.9

• 19.5

• 47

• 27.5

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

Solve for x. Round to the nearest tenth.

• 9.8

• 0.1

• 0.038

• 9.9

• A
• B
• C
• D

If you are given the hypotenuse and an adjacent side, which trig function should you use?

• sine

• cosine

• tangent

• cotangent

What equation can be used to solve for x?

• Sin(40°)= x/40 

• Sin(40º)=x/19

• Cos(40º)=x/19

• Tan(40°)=19/x