Trigonometry Review.

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Presentation transcript:

Trigonometry Review

A person 100 meters from the base of a tree, observes that the angle between the ground and the top of the tree is 18 degrees. Estimate the height h of the tree to the nearest tenth of a meter. h = 32.5 meters

In the figure on the below, ABCD is a rectangle whose perimeter is 30 In the figure on the below, ABCD is a rectangle whose perimeter is 30. The length of BE is 12. To the nearest degree, find the measure of angle E. 25˚

Find the values of x and y. Round your answers to the nearest tenth. x = 5, y = 8.7

Draw a picture to solve the following word problem below. Suppose you are flying a kite. The string of the kite makes an angle of 30˚ with the ground. If the kite is 9 meters in the air, find the length of string that you have used. The string is 18 meters long.

The figure shown below is a trapezoid The figure shown below is a trapezoid. Using the information given, find the area of this trapezoid to the nearest square unit. Hint: Area = ½h(base1 + base2) 267 units2

Graph the coordinates for triangle SUN below Graph the coordinates for triangle SUN below. Then find the measure of angle U to the nearest degree. S(-4, 3) U(1, 6) N(6, 3) U = 118˚

Find the volume of the cone below to the nearest tenth. 10 yd V = 1/3 Πr2h 266.9 yd3 52˚