Use a graphing calculator to find tan 54°. Round to the nearest ten-thousandth. Find m B to the nearest tenth of a degree if cos B = 0.8926 and B is an acute angle. Refer to the figure. Find the value of x to the nearest tenth. 4. Refer to the figure. Find the value
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of x to the nearest tenth.
4. Refer to the figure. Find the value
of x to the nearest tenth.Lesson 5 Menu
CIRCUS ACTS At the circus, a person in the audience at ground level watches the high-wire routine. A 5-foot-6-inch tall acrobat is standing on a platform that is 25 feet off the ground. How far is the audience member from the base of the platform, if the angle of elevation from the audience member’s line of sight to the top of the acrobat is 27°?
Make a drawingLesson 5 Ex1
D. 50°Lesson 5 CYP1
Solve the ItemMethod 1The ground and the horizontal level with the platform to which the ramp extends are parallel. Therefore, since they are alternate interior angles.
Angle of Depression
A wheelchair ramp is 3 meters long and inclines at 6°. Find the height of the ramp to the nearest tenth of a centimeter.
A 0.3 cm B 31.4 cm C 31.5 cm D 298.4 cmLesson 5 Ex2
Angle of DepressionLesson 5 Ex2
A. 145 ft
B. 628 ft
C. 359 ft
D. 285 ftLesson 5 CYP2
Vernon is on the top deck of a cruise ship and observes two dolphins following each other directly away from the ship in a straight line. Vernon’s position is 154 meters above sea level, and the angles of depression to the two dolphins are 35° and 36°. Find the distance between the two dolphins to the nearest meter.Lesson 5 Ex3
A. 14 ft
B. 24 ft
C. 37 ft
D. 49 ftLesson 5 CYP3