Word Problems with trigonometry and triangles

The video tutorial explains how to solve a word problem involving the angle of elevation of the sun. It begins by introducing the problem, which involves a 200-foot tower casting a 70-foot shadow. The concept of angle of elevation is explained, followed by setting up the problem using a right triangle. The solution involves using trigonometry, specifically the tangent function, to find the angle. The calculation is completed using the inverse tangent function, resulting in an angle of 7.71 degrees.

What is the height of the tower mentioned in the problem?

• 150 feet

• 250 feet

• 100 feet

• 200 feet

What does the angle of elevation refer to?

• The angle parallel to the horizontal line

• The angle below the horizontal line

• The angle above the horizontal line

• The angle perpendicular to the horizontal line

What is the length of the shadow in the problem?

• 80 feet

• 60 feet

• 70 feet

• 50 feet

Which trigonometric function is used to find the angle of elevation in this problem?

• Cotangent

• Sine

• Cosine

• Tangent

What is the calculated angle of elevation of the sun?

• 8.71 degrees

• 7.71 degrees

• 6.71 degrees

• 5.71 degrees