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angles pract 3 triangle equations
Contributed by: Childress
1
2
3
m⊾3=2x+5
m⊾1= x
m⊾2=2x
Key: ⊾1+⊾2+⊾3=180
x+2x+2x+5=180
x=
m⊾1=
m⊾2=
m⊾3=
1
2
3
m⊾3=2x+5
m⊾1= x
m⊾2=2x
Key: ⊾1+⊾2+⊾3=180
x+2x+2x+5=180
1
2
3
m⊾2=
m⊾1=
m⊾3=
x=
m⊾1=3x+1
m⊾2=2x+17
m⊾3=5x+2
y
remember
key for lines??????
x
65
45
⊾1+⊾2+⊾3=180
x=
y=
m⊾4=
m⊾2=
m⊾3=
straight line
1
2
3
4
m⊾3=x+40
m⊾4=2x+20
m⊾2=
x=
m⊾1=
key:?????
x
1
2
m⊾2=
m⊾1=
key:???????
x=
m⊾2=2x+22
m⊾1=4x+50
e
a
d
c
f
b
g
b=85
c=
d=
a=60
g=
f=
e=45
a=
b=
c=
d
b
a
c
e
x=
e=
b=3x+40
c=3x+18
d=
a=2x+50
55
40
e
d
b
c
a
f
100
g
c=
d=
e=
b=
a=
g=
f=
c=x+10
b=x+75
a=x+5
a
b
x=
a=
c
b=
c=
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