Slide 1

Slide 2

Find the value of x

Slide 3

Tell if the measures 7, 11, and 15 can be the side lengths of a triangle. If so, classify the triangle as acute, obtuse, or right.

Slide 4

x = 10 and y = 20 Find the values of the variables. Give your answers in simplest radical form.

Slide 5

Slide 6

Use a special right triangle to write each trigonometric ratio as a fraction. cos 60 sin 45

Slide 7

DE 5.7; mD68; mF22 Find the unknown measures. Round lengths to the nearest hundredth and angle measures to the nearest degree.

Slide 8

A plane is flying at an altitude of 14,500 ft. The angle of depression from the plane to a control tower is 15. What is the horizontal distance from the plane to the tower? Round to the nearest foot.

Slide 9

12 ft A woman is standing 12 ft from a sculpture. The angle of elevation from her eye to the top of the sculpture is 30, and the angle of depression to its base is 22. How tall is the sculpture to the nearest foot?

Slide 10

A surveyor 50 meters from the base of a cliff measures the angle of elevation to the top of the cliff as 72. What is the height of the cliff? Round to the nearest meter.

Slide 11

To the nearest degree, what is m A?

Slide 12

24

Slide 13

Write the tangent of T as a fraction.

Slide 14

The ladder, represented by line segment AB, is 17 feet long. What is the measure of angle A, the angle that the ladder makes with a horizontal line?

Slide 15

An equilateral triangle has an altitude of 21 inches. What is the side length of the triangle?

Slide 16

A ladder 15 feet from the base of a window that 35 feet high. What is the length of the ladder to the nearest foot?

Slide 17

It is recommended that for a height of 20 inches, a wheelchair ramp be 19 feet long. What is the value of x to the nearest tenth?

Slide 18

To secure an outdoor canopy, a 64- inch cord is extended from the top of a vertical pole to the ground. If the cord makes a 60 angle with the ground, how tall is the pole?

Slide 19

12

Slide 20

23 Some mountains in the Alps are very steep and have a grade of 42.9%. To the nearest degree, what angle do these mountains make with a horizontal line?

Slide 21

Find x and y