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Chapter 7 & Chapter 8 Geometry Review Flashcards | StudBud
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Chapter 7 & Chapter 8 Geometry Review
Chapter 7 & Chapter 8 Geometry Review
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Answers
1
Law of Sines or Law of Cosines?
Law of Sines
Law of Cosines
2
Would you use the Law of Sines or the Law of Cosines?
law of sines
law of cosines
3
Solve for x:
8\sqrt{2}
8\sqrt{3}
32
8
4
When do you use inverse trig functions? (inverse sine, inverse cosine & inverse tangent)
to find the hypotenuse
to find an angle measure
to find a side length
5
Cross Multiply...
6
-2
8
5
6
GEOMETRIC MEAN
9
10
12
7
7
Which trig function would you use? ...Sine? Cosine? Tangent?
sine
cosine
tangent
8
Would you use the Law of Sines or the Law of Cosines?
law of sines
law of cosines
9
right triangle trig
22
42
43
68
10
Which trig function would you use? ...Sine? Cosine? Tangent?
sine
cosine
tangent
11
Solve for x and y:
x = \sqrt{3} , y = \sqrt{3}
x = 3\sqrt{2}, y = 3\sqrt{2}
x = 3, y = 3
x = 6\sqrt{2}, y = 6\sqrt{2}
12
Law of Sines or Law of Cosines?
law of sines
law of cosines
13
Use the pythagorean theorem to find the missing lengths.
24
19
16
27.9
14
Use the pythagorean theorem to find the missing side length.
25
23.5
19.9
35
15
Are these triangles similar?
No
Yes
Not enough Info!
16
Which function would be used to solve for x... Sine? Cosine? Tangent?
sine
cosine
tangent
17
Special Right Triangles
x = 2\sqrt{3}, y = 2
x = 2\sqrt{2}, y =2\sqrt{2}
x = 2 , y = 2\sqrt{3}
x = 4\sqrt{3}, y = 4
18
Are these side lengths from a right, obtuse, or acute triangle? 3, 4, 6
obtuse
acute
right
19
Solve the proportion.
16
12
24
8
20
In right triangle trigonometry sinθ = ?
opp/adj
hyp/opp
adj/hyp
opp/hyp
21
Geometric Mean?
2
16
8
6
22
Are the triangles similar? If so, how?
Not Similar
Yes, SSS ~
Yes, SAS ~
Yes, AA ~
