Find the value of x. Round the length to the nearest tenth. Diagram is not drawn to scale.
A right triangle is drawn with right angle between a right vertical leg and lower horizontal leg. A dashed line is drawn horizontally from the top right vertex.
The vertical leg of the triangle is labeled x.
The horizontal leg of the triangle is labeled 15 yards.
The angle between the hypotenuse and dashed top line is 20 degrees.
A. 41.2 yd
B. 5.5 yd
C. 14.1 yd
D. 5.1 yd
Law of Sines and Law of Cosines Quiz Review
Find the value of x. Round the length to the nearest tenth. Diagram is not drawn to scale.
Answer: B.5.5 yd
Find the value of x. Round the length to the nearest tenth.
Answer: A.7.2 ft
To find the height of a pole, a surveyor moves 140 feet away from the base of the pole and then, with a transit 4 feet tall, measures the angle of elevation to the top of the pole to be 44°. To the nearest foot, what is the height of the pole?
Answer: D.139 ft
Use the Law of Sines to find the missing side of the triangle.
Find b.
Answer: B.43.8
Use the Law of Sines to find the missing angle of the triangle.
Find m∠C to the nearest tenth.
Answer: B.58.8º
Use the Law of Cosines to find the missing angle.
Find m∠A to the nearest tenth of a degree.
Answer: A.33.9º
Thanks! That really helped!
Answer: B. 5.5 yd
Summer is 100% correct!! Thanks
just took law of sines and law of cosines quiz review and it had a couple questions not answered here so
1. <4 is the angle of elevation from the PERSON to the RADAR TOWER
2. 5.5 yd
3. 7.2 ft
4. 139 ft
5. 43.8
6. 58.8°
7. 33.9°
Yep, it's letter B.) 5.5! Thank you so much.
Thank you so much 😭
Review your basic trig functions.
x/15 = tan20°