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Law of Cosines Quiz 100- Questions and Correct Answers (elaborations) with 100% Accurate , Verified , Latest fully Updated , 2024/2025 ,Already Passed , Graded A+, Complete solutions guarantee distinctions Rationales

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Law of Cosines Quiz 100- Questions and Correct Answers (elaborations) with 100% Accurate , Verified , Latest fully Updated , 2024/2025 ,Already Passed , Graded A+, Complete solutions guarantee distinctions Rationales

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  • August 3, 2024
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  • 2024/2025
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Law of Cosines Quiz 100%
Based on the diagram below, which expression can be used to determine the distance between
Seattle, WA, and San Francisco, CA?
sqrt 1858^2 + 1737^2 - 2(1858)(1737)cos 21.4
What is the approximate length of the missing side in the triangle below?
21.3 mi.
In triangle MNO, MN = 20 units, NO = 15 units, and MO = 18 units. What is the approximate
difference between the largest and smallest angle measures?
28 degrees
In triangle RST, RS = 6 cm, ST = 7 cm, and RT = 8 cm. What is the approximate measure of the
largest angle in the triangle?
75.5 degrees
Bethany used the steps below in an attempt to solve for angle B in triangle ABC.

Where is Bethany's error?
Bethany took the square root of each squared term before isolating cosB and solving for B.
A ship heads due north for x miles, then turns 25° east of north and travels for another y miles. Which
expression represents the distance the ship is from the original starting point?
sqrt x^2 + y^2 - 2xy cos 155 degrees 100%
An archer fires two arrows into a raised target, as represented in the diagram below. About how much
greater of an angle did the archer need to use in order for the second arrow to land 7 feet higher than
the first arrow?
8.7 degrees
What is the approximate measure of angle T in the triangle below?
79 degrees
What is the approximate length of the third side of the triangle below?
35.5 mm
Which equation can be used to solve for angle N in the triangle below?
6.2^2 = 3.6^2 + 4.3^2 - 2(3.6)(4.3) cos N

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