Section 7 Review: Right Triangles

The side opposite the right angle in a right triangle.

• Opposite Side

• Hypotenuse

• Adjacent Side

• Short Leg

the angle formed by a horizontal line and a line of sight to a point above

• Angle of Depression

• Angle of Elevation

• Central Angle

• Angle of Parallelism

FInd tanX

• 4/5

• 5/3

• 4/3

• 3/4

Find sinA

• 4/5

• 4/3

• 3/5

• 3/4

Find the length of side w.

• 21.4 cm
• 18.0 cm
• 36.5 cm
• 43.6 cm

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Find tanZ

• 5/3

• 3/4

• 5/4

• 4/3

                                                                                                                                                                                                       
Find m∠S

• 21
• 69
• 23
• 67

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

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?

• 42.7

• 6.0

• 14.8

• 17.3

A pilot looks down and sees the runway at an angle of depression of 10°. If the horizontal distance between the plane and the runway is 8000 feet, what is the height of the plane?

• 1410.6

• 1389.2

• 10000

• 45370.3

A traffic helicopter spots two different accidents. One is east at an angle of depression of 35 degrees. The other is west at an angle of depression of 21 degrees. If the helicopter is 800 feet in the air, how far apart are the accidents?

• 560

• 2084

• 3226

• 1142