Find Missing Sides and Angles with Trig Ratio

Find sinA

• 32/24

• 24/32

• 24/40

• 32/40

Find sinC

• 28/35

• 35/28

• 21/35

• 28/21

Find tanZ

• 28/21

• 35/28

• 21/28

• 35/21

What can you find with trig ratios (sin, cos, tan)?

• Missing sides

• missing angles

• area of a triangle

• missing sides, angles and area of a triangle

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

Find the length of the missing side. Round your answer to the nearest 10th.

Mathematical Equivalence

OFF

What is the value of y?

Mathematical Equivalence

ON

Use the Trig Toolkit to find the missing side length, y. Choose your answer from the dropdown menu below.

ANSWER: ​ (a)  

• y = 20

• y = 70

• y = 50

A skateboarding ramp is 12 inches high and rises at an angle of 17°. How long is the base of the ramp to the nearest tenth?

Find x round to the nearest tenth.

Mathematical Equivalence

ON