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Y9zy3 Quiz prac May Flashcards | StudBud
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Y9zy3 Quiz prac May
Find x
Use Pythagoras Theorem to calculate:
Y9zy3 Quiz prac May
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1
Use Pythagoras Theorem to calculate:
221
14.86
14.87
21
2
Find x
87.4
4.3
3.5
5.4
3
Pythagoras' Theorem applies to
any triangle
any square
any shape
right angled triangles
4
Calculate...
53
43
42
44
5
What is x equal to?
4sin(34)
4cos(34)
4/sin(34)
4/tan(34)
6
What is Pythagoras' Theorem?
a+b=c
a2-b2=c2
a2/b2=c2
a2+b2=c2
7
Which two shapes are similar?
A and F
C and D
B and E
A and C
8
Calculate...
4760
3740
3840
3210
9
Which shapes are similar to each other?
A and B
C and D
B and D
B and C
10
find x
16
14
12
15
11
find x
2√51
10
204
12
12
Solve the system of equations by substitution.
(7,12)
(7,19)
(4,19)
(4,12)
13
Are these shapes similar or congruent?
Similar
congruent
14
Substitute
185
195
-175
175
15
Are these shapes similar?
No
Yes
16
Solve using substitution
Y=6
X=-3
X=8
Y= 4
17
What trigonometry fact do we need to solve x?
cos 45 = x/32
sin 45 = x/32
cos 45 = 32/x
tan 45 = x/32
18
Which equation is correct?
cos(x) = 9.1/14.7
sin(x) = 14.7/9.1
tan(x) = 9.1/14.7
sin(x) = 9.1/14.7
19
find x
7
12
5
25
20
Which shapes are congruent?
A
D
B
C
21
Are these shapes similar or congruent?
Similar
Congruent
22
Find x
9.45
2.2
3.2
2.34
23
What phrase to remember the trigonometry functions
SAH-COA-TOH
SCT-OHO-HHA
SOH-CAH-TAO
SOH-CAH-TOA
24
The shapes are similar. Find EH.
36
24
16
6
25
Calculate...
84,371
80,377
82,371
83,371
26
Are the triangles congruent?
Yes
No
27
Find x
6.8
8.4
1.6
4.1
