Solving Triangles Using Trigonometric Ratios

Solve for x.

• 12.8

• 31.25

• 15.4

• 16.8

Find the measure of the missing angle. (a)  

Using our notes from 1/30 on Solving Right Triangles, Inverse Trig Ratios are used to determine the _______ that goes with a given ratio.

• side

• angle

• trig function

• unit circle

State the hypotenuse for the angle x in the right-angled triangle.

Nyatakan hipotenus bagi sudut x dalam segi tiga bersudut tegak.

• 18/30
• 24/30
• 18/24
• 24/18

• 14/48
• 48/50
• 14/50
• 48/14

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

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

Find the measurement of the missing side indicated

• 4.39

• 3.21

• 2.19

• 2.05

Find x round to the nearest tenth.

• 46.1

• 4.9

• 16.4

• 26.9