lvasquev462
Can someone help with my math homework Geometry!!!!!
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lvasquev462
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saifoo.khan
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Just a sec.
saifoo.khan
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supplementary angles add upto 180*.
lvasquev462
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yes
saifoo.khan
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So, for the first one it's angle 4.
saifoo.khan
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For question 2,
it's asking for complimentary angle of angle 3.
Complimentary agnles add upto 90*
So, it's angle 2.
saifoo.khan
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For question 3.
Vertically opposite angles are equal of each other|dw:1348279518333:dw|
saifoo.khan
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Therefore, 2 and 5 are v.o.a.
lvasquev462
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ok..
saifoo.khan
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Moving along.
Question 4.
Solve for x.
saifoo.khan
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Rest all are easy too!
lvasquev462
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solve for x right
saifoo.khan
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Yup.
lvasquev462
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what did you get? I want to check if i got it right
saifoo.khan
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What do you get?
lvasquev462
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30
saifoo.khan
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\[\checkmark\]
lvasquev462
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so its 30 degrees right
saifoo.khan
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Right.
lvasquev462
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yes were always done thanks for the help your a good teacher
saifoo.khan
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Thank you! :)
lvasquev462
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number 5?
saifoo.khan
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So i have to do all of them? lol.
How about you give them a try and i check your answers?
lvasquev462
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how about 1 more 1 last one can you do number 9
saifoo.khan
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Break the problem into parts..
lvasquev462
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i want a 100percent on this assignment it will bring me to a B
saifoo.khan
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They all are easy, you'll get it.
saifoo.khan
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Suppose the angle be x.
And since it's a supp. angle, hence (180 -x)
And since it's 3 times of that, 3(180-x)
And as it's 20 less out of it.. so:
x=3(180-x) - 20
x=540-3x-20
4x=520
x=130*
lvasquev462
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is this 9
saifoo.khan
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Now let's check:
If x is 130, then the supp angle of x is 180-130 = 50.
Three times the supplement of x is 3*50 = 150.
And 20 less than that is 150-20 = 130.
saifoo.khan
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And yes, it's 9.
lvasquev462
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thank you i really appreacitae it
saifoo.khan
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You're welcome.
lvasquev462
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is number 5 30 degrees ?
saifoo.khan
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Nope.
saifoo.khan
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The answer is not given. It's 120*.
lvasquev462
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is number 6 B
lvasquev462
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1and5
saifoo.khan
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6 is b
lvasquev462
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and number seven i gotten 6x - 40 = 3x + 5
6x - 3x = 5 + 40
3x = 45
x = 15 deg
saifoo.khan
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correct
lvasquev462
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number 8 y + 3x = 180
3x = 75
y + 75 = 180
y = 105 deg
saifoo.khan
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3x = 75
x = 75/3
x = 25
lvasquev462
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can u check my work if i copy the docment
saifoo.khan
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Sure
lvasquev462
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ok