Missing Side and Angles Using Trigonometry

What is measure of angle A?

Round to the whole number.

What is measure of angle B?

Round to the whole number.

What is measure of Angle A?

Round to the whole number.

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

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

Mathematical Equivalence

OFF

What is the correct equation?

​ (a)   = ​ (b)   /​ ​ (c)  

• Sin(40)

• w

• 28

• Cos (40)

• tan 40

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

• sine

• cosine

• tangent

• cotangent

What is measure of Angle A?

Round to the whole number.

What is measure of Angle B?

Round to the whole number.

What is measure of the missing side?

Round to the whole number.