geomentry unit 5 Flashcards
1
Q
what are the congruence theroms for right triangles
A
- LL - leg leg
- HL - hypotenuse - leg
- HA - hypotuse - actue angle
-LA leg - acute angle
2
Q
LL special case
A
sss, sas
3
Q
HL special case
A
sss
4
Q
Ha special case
A
aas
5
Q
La sepcial case
A
leg and angle included - asa
leg and angle not included - aas
6
Q
45-45-90
A
hypotensue time square root of 2
leg time square root 2 = hyptenuse
hypotenuse divided by square root 2 = leg
7
Q
30-60-90
A
- side across the 30 - smalles side
- hypotensue across 90 - smallest side times 2
- side across the 60 - smallest side times square root 3
8
Q
sin 30
A
1/2
9
Q
sin 45
A
1 divided by the square root of 2
10
Q
sin 60
A
square root of 3 divided by2
11
Q
cos 30
A
square root of 3 divided by 2
12
Q
cos 45
A
1 divided by square root 2
13
Q
cos 60
A
1/2
14
Q
tan 30
A
1 divded by square root 3
15
Q
tan 45
A
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