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Geometry Mini-Lesson MA.912.T.2.1: Define and use the trigonometric ratios (sine, cosine, tangent) in terms of angles of right triangles.

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Geometry Mini-Lesson Maricela is flying a kite and has let out all 500 feet of string, which makes a 40° angle with the ground, as shown in the figure. Assuming that there is no sag in the string, which of the equations could be used to calculate the height h of the kite? MA.912.T.2.1: Define and use the trigonometric ratios (sine, cosine, tangent) in terms of angles of right triangles.

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Geometry Mini-Lesson Jackie is standing on the edge of a 200-foot cliff looking down at her friends on a small sailboat in the ocean. She has determined that the angle of depression from her vantage point to the boat is 42°, as shown in the figure below. What is the distance from the boat to the base of the cliff directly below Jackie, to the nearest foot? MA.912.T.2.1: Define and use the trigonometric ratios (sine, cosine, tangent) in terms of angles of right triangles.

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Geometry Mini-Lesson 27 63 60 30 MA.912.T.2.1: Define and use the trigonometric ratios (sine, cosine, tangent) in terms of angles of right triangles.

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Geometry Mini-Lesson A cell phone tower is 300 feet tall and is surrounded by a fence that is 100 feet from the base of the tower. Alex is trying to reach the fence and is located at a point on level ground where his line of sight to the top of the tower makes a 20° angle with the ground, as shown in the figure. What is the straight-line distance that Alex has to walk to the nearest foot. 725 825 724 824 MA.912.T.2.1: Define and use the trigonometric ratios (sine, cosine, tangent) in terms of angles of right triangles.

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Geometry Mini-Lesson A cliff that is 90 feet high has a beach at its base that is approximately 50 feet wide. Sarah is on a boat in the ocean and wants to determine the distance from her boat to the water's edge of the beach, as shown in the figure. The angle of elevation from Sarah's boat to the top of the cliff is 17°. What is the distance from Sarah's boat to the water's edge just below the cliff to the nearest foot? 194 204 294 244 MA.912.T.2.1: Define and use the trigonometric ratios (sine, cosine, tangent) in terms of angles of right triangles.

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**Geometry Mini-Lesson 23 feet 38 feet 49 feet 64 feet**

Barry (B) is standing at the edge of the top of a 50 foot building and is looking down at his friend Eric (E) who is standing at the edge of the top of a 20 foot building, as shown in the figure. If the angle of depression from Barry to Eric is 38°, which of the following best represents the distance d between the two buildings correct to the nearest foot? 23 feet 38 feet 49 feet 64 feet MA.912.T.2.1: Define and use the trigonometric ratios (sine, cosine, tangent) in terms of angles of right triangles.

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Geometry Mini-Lesson Henry is flying a kite and has let out all 400 feet of string. The string makes a 50° angle with the ground, as shown in the figure. Assuming that there is no sag in the string, which of the equations could be used to calculate the height h of the kite? MA.912.T.2.1: Define and use the trigonometric ratios (sine, cosine, tangent) in terms of angles of right triangles.

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**Geometry Mini-Lesson A. 23 B. 25 C. 65 D. 67**

A tackle shop and restaurant are located on the shore of a lake and are 32 meters (m) apart. A boat on the lake heading toward the tackle shop is a distance of 77 meters from the tackle shop. This situation is shown in the diagram, where point T represents the location of the tackle shop, point R represents the location of the restaurant, and point B represents the location of the boat. The driver of the boat wants to change direction to sail toward the restaurant. Which of the following is closest to the value of x? A. 23 B. 25 C. 65 D. 67 MA.912.T.2.1: Define and use the trigonometric ratios (sine, cosine, tangent) in terms of angles of right triangles.

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