Geom_7.2.1 Video Lesson - Angle of Elevation and Depression

What is the starting reference line for both angles of elevation and depression?

• The diagonal line

• The curved line

• The vertical line

• The horizontal line

Tags

CCSS.7.G.B.5

If an object is elevated, what does the angle of elevation represent?

• The angle formed by looking down

• The angle formed by looking horizontally

• The angle formed by looking diagonally

• The angle formed by looking up

What is the relationship between the top and bottom horizontal lines in an angle of depression scenario?

• They are diagonal

• They are curved

• They are parallel

• They are perpendicular

Tags

CCSS.8.G.A.5

In the example of the soccer ball and the goal, what trigonometric function is used to calculate the distance from the ball to the goal?

• Secant

• Cosine

• Tangent

• Sine

Tags

CCSS.HSG.SRT.C.8

In the lifeguard example, what is the angle of depression from the lifeguard to the swimmer?

• 35 degrees

• 25 degrees

• 20 degrees

• 17.7 degrees

Tags

CCSS.HSG.SRT.C.8

What method did we use to find the missing side of the triangle since we could not use the 5 or 6?

• Pythagorean theorem
• Segment bisector theorem

• Segment Addition

• Triangle Similarity

Tags

CCSS.HSG.CO.C.9

CYU #1

If the angle of depression from the lifeguard to the ocean is 49 degrees, find the measure of x. Round your answer to the nearest hundredth.

Mathematical Equivalence

ON

Tags

CCSS.HSG.SRT.C.8

CYU #2

Jada is standing 10 feet from the base of a tree and spots a nest sitting on a branch. The angle of elevation from the ground where she is standing to the nest is 55 degrees. Find the height of the nest to the nearest tenth of a foot.

Mathematical Equivalence

ON

Tags

CCSS.HSG.SRT.C.8

CYU #3

Sydney is looking up into the eyes of her boyfriend, Zach. Sydney is 5 feet tall, and Zach is 6.5 feet tall. The angle of elevation from Sydney’s eyes to Zach’s eyes is 23 degrees. How far away from each other are they standing? Round to the nearest tenth if necessary.

Mathematical Equivalence

ON

Tags

CCSS.HSG.SRT.C.8

CYU #4

You are flying a kite and have let out 80 m of string. The kite’s angle of elevation with your line of sight is 40 degrees. You are 1.8 meters tall. If the string is stretched straight, how high is the kite above the ground? Round your answer to the nearest tenth of a meter.

Mathematical Equivalence

ON

Tags

CCSS.HSG.SRT.C.8