Right Triangle Trig Ratios Missing Angles and Sides

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

• any type

• right triangle

• obtuse triangle

• acute triangle

Find sinA

• 32/24

• 24/32

• 24/40

• 32/40

Find sinC

• 28/35

• 35/28

• 21/35

• 28/21

Use the Trig Toolkit to find the value of x in the given diagram. Click and drag your answer into the blank space below.

The value of x is (a)   .

• 21

• 33

• 12

A pilot looks down and sees the runway approaching. The angle between the plane's diagonal and vertical line of sight is 80°. If the horizontal distance between the plane and the runway is 8000 feet, what is the height of the plane?

• 1410.6

• 1389.2

• 5671.3

• 7878.5

The correct ratio to solve for "x" is (a)  

• sin 28 = x/14

• cos 28 = x/14

• tan 28 = x/14

• tan 28 = 14/x

Find both of the missing sides. Round to the nearest tenth.

• 28.6 m, 44.1 m

• 32.3 m, 54.6 m

• 12.8 m, 13.2 m

• 20.1 m, 13.1 m

Solve the following triangle

• F

• G

• H

• J

Find x round to the nearest tenth.

Mathematical Equivalence

ON

Solve the right triangle.

• <B = 39^o, AB = 11.58, AC = 7.29

• <B = 39^o, AB = 7.29, AC = 11.58

• <B = 129^o, AB = 11.58, AC = 7.29

• <B = 129^o, AB = 7.29, AC = 11.58