Find Angles with Right Triangles and Trigonometry

What can you find with trig ratios?

• Missing sides

• missing angles

• area of a triangle

• missing sides and angles

Tags

CCSS.HSG.SRT.C.8

What is the length of the adjacent side?

• 8

• 15

• 17

Tags

CCSS.HSG.SRT.C.6

Find the measure of the indicated angle (?) round to the nearest tenth.

• 9.4

• 55.2

• 20.15

• 19.4

Tags

CCSS.HSG.SRT.C.8

The Pythagorean Theorem ONLY works on which type of triangle?

• obtuse

• scalene

• isosceles

• right

Tags

CCSS.8.G.B.8

Which side is considered the hypotenuse?

• Any side

• the side opposite the smallest angle

• the side across from the right angle

• the side next to the angle

SIN (L)

• 6/10

• 8/10

• 6/8

• 42

Tags

CCSS.HSG.SRT.C.6

TAN (L)

• 10/6

• 8/10

• 6/8

• 42

Tags

CCSS.HSG.SRT.C.6

Set up the problem.

• sin(47) = x/28

• cos(47) = x/28

• tan(47) = x/28

• cos(47) = 28/x

Tags

CCSS.HSG.SRT.C.6

Which Trig function do you use?

• Sine

• Cosine

• Tangent

Tags

CCSS.HSG.SRT.C.6

Solve for x.

• 24.20

• 4.92

• 290.4

• 29.75

Tags

CCSS.HSG.SRT.C.8