Right Triangle and Trigonometry

Find the missing side lengths.

• A

• B

• C

• D

Tags

CCSS.8.G.B.7

Solve for a and b in the special right triangle.

• a = 5, b = 5

• a = 10, b = 10√2

• a = 10√2, b = 10√2

• a = 5√2, b = 5√2

Tags

CCSS.8.G.B.8

Solve for x and y in the special right triangle.

• x = 7, y = 7√2

• x = 14 y = 7√2

• x = 14√2 y = 7√2

• x = 14 y = 14√2

Tags

CCSS.HSG.CO.C.10

Find Cos(A) as a decimal rounded the the nearest ten-thousandth.

• .4706

• .875

• .8824

• .5333

Tags

CCSS.HSG.SRT.C.6

What is the length of side x?

• 6.57 cm

• 7 cm

• 7.44 cm

• 26.33 cm

Tags

CCSS.HSG.SRT.C.8

In Right Triangle ABC with right angle C. If the

Cos A = 9/41, what is the Sin B?

• 40/41

• 41/9

• 9/41

• 40/9

Tags

CCSS.HSG.SRT.C.7

In right triangle DEF with right angle D.  If
Tan E = 5/12, what is Tan F?

• 12/5

• 5/12

• 12/13

• 13/12

Tags

CCSS.HSG.SRT.C.7

Find m∠S

• 21

• 69

• 23

• 67

Tags

CCSS.HSG.SRT.C.8

A 16 foot ladder leans against a building.  If the angle the ladder makes with the ground is 68°, how high up the building does the ladder reach?

• 39.6

• 6.0

• 14.8

• 13.6

Tags

CCSS.HSG.SRT.C.8

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

Tags

CCSS.HSG.SRT.C.8