Finding Angles Trigonometry

Use the formula above. A=θ. You are given the three distances: 5050ft, 6000ft and its opposite distance 2420ft. Find the angle θ

• 23 degrees

• 55 degrees

• 30 degrees

• 27 degrees

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CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

A good way to remember Trig Ratios is to use the memory aid

• SOH CAH TOA

• COH SAH OAT

• SOA COH TAH

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CCSS.HSG.SRT.C.6

SOH CAH TOA Trig Ratios can only be used on right angle triangles

• True

• False

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CCSS.HSG.SRT.C.7

If you are looking for an angle and are given the lengths of the adjacent side and hypotenuse of the right triangle , what ratio would you use?

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CCSS.HSG.SRT.C.6

Use this formula to solve the problem\tan\theta=\frac{opposite}{adjacent} The angle of elevation is 60 degrees from the ground at point c. The opposite side is the height of the building. The distance from point c to the building is 50m. How tall is the building?

• 60 m tall

• 50 m tall

• 86.6 m tall

• 100.5 m tall

Tags

CCSS.HSG.SRT.C.8

The distance between the water tower and a fire is 150 ft. The field of view from the ranger's tower shows 34 degrees between the fire and the tower. The field of view from the tower is 97 degrees between the tower and the fire. Use the sine law to determine how far away fire is from the ranger’s tower.

• 150 ft

• 148 ft

• 260 ft

• 266 ft

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Find the measure of the indicated angle. Round to the nearest tenth.

Mathematical Equivalence

ON

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CCSS.HSG.SRT.C.8

Find the measure of the indicated angle. Round to the nearest tenth.

• 35.8°

• 43.8°

• 46.2°

• 54.2°

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CCSS.HSG.SRT.C.8

Find the measure of the indicated angle (?) round to the nearest tenth.

• 9.4

• 55.2

• 20.15

• 19.4

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CCSS.HSG.SRT.C.8