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Unit 2 Review
Unit 2 Review
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A #review of #unit2 for #geometry
Flashcards
23 cards
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Questions
23
Answers
1
Determine if the two figures are similar. If so, state how you know.
Similar, SSS
Similar, SAS
Not similar
Similar, AA
2
Using the Converse Pythagorean Theorem, determine if the triangle is right, acute, or obtuse
obtuse
none of the above
right
acute
3
Which of the following statements are NOT true about the figure.
Sin(<A) = Cos(<B)
Tan(<A)=Tan(<B)
<C = 90°
Sin(<B) = Cos(<A)
4
Using the Pythagorean Theorem, find the missing side length.
14
8
12
16
5
What are the two types of dilations?
translation/rotation
bigger/smaller
large/small
enlargement/reduction
6
Which of the following is NOT true about the triangle?
The triangle is isosceles
sin45 = x/y
x = 8
y = 4√2
7
Determine if the two figures are similar. If so, state how you know.
Not similar
Similar, SSS
Similar, AA
Similar, SAS
8
Determine if the two figures are similar. If so, state how you know.
Similar, SSS
Similar, AA
Similar, SAS
Not similar
9
Which of the following are NOT Special Right Triangles?
45-90-180
45-45-90
30-60-90
10
Find the missing side length
25
20
15
13
11
Using trig. solve for x. Round your answer to the nearest tenth.
20.1
38.0
15.6
22.6
12
Using trig, solve for x. Round your answer to the nearest tenth.
39
19.1
15.39
20.0
13
Which trig. function should be used to solve for x?
sine
cosine
tangent
14
Find the trigonometric ratio.
8/15
15/17
15/8
8/17
15
What is the formula for scale factor?
y/x
old/new
x/y
new/old
16
Find the trigonometric ratio.
18/30
24/18
24/30
17
Determine if the two figures are similar. If so, state how you know.
Similar, SAS
Not similar
Similar, SSS
Similar, AA
18
Using the Converse Pythagorean Theorem, determine if the triangle is right, acute, or obtuse
right
acute
none of the above
obtuse
19
Find the missing side length
-1
9
3
12
20
Find the trigonometric ratio.
21/35
21/28
28/35
21
Which of the following are NOT trigonometry functions?
Theta
Cosine
Sine
Tangent
22
Which trig. function should be used to solve for x?
cosine
tangent
sine
23
Find the type of dilation and the scale factor.
reduction, 4/3
enlargement, 3/4
reduction, 3/4
enlargement, 4/3
