How do you find the measure of a angle?

- anonymous

How do you find the measure of a angle?

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- schrodinger

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- anonymous

use a protractor:):)

- anonymous

I dont have one. Is that the only way?

- anonymous

Protractor is a 'D' like scale thing used to measure the angle..seen it anywhere??

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- anonymous

didnt u ever see one melissa??

- anonymous

Yes, I just don't have one at home with me, and I'm trying to complete my work assignment.

- anonymous

My assignment is to find find the measure for angles 1, 2, 3, 4, and 5.In the figure below

- anonymous

ohh:( wheres the figure???

- amistre64

its below you lol

- anonymous

Sorry, I will send attach in one sec:)

- amistre64

i think I became a pro at reimann sums last night...

- anonymous

##### 1 Attachment

- anonymous

You can also draw a right triangle, measure the sides and the angle can be derived from sin-1(x/y)

- amistre64

what do you know about right triangles? or triangles in general.... their angles all add up to what number?

- anonymous

okay, let me tell u one thing, the sum of angles inside a triangle=180 degrees...
and the angle 'j' is a 90 degree means a verical(right angle)

- anonymous

so 90+65+F=180 and now u can find out the angle F which is nothing but 25degrees

- anonymous

and angle E is 45+25+E=180
=> 110 degrees

- anonymous

ok, so is <1=65

- anonymous

and u see that line DE is parallel to the ray passing through j, so diagonally opposite angles are same i.e. angle DJH=65degrees

- anonymous

no no angle1=F=25degree

- anonymous

Ok, I will study your previous notes and hopefully understand angles. Thanks so much for your help. Geometry is new to me and i'm totally confused

- anonymous

1=25deg
2=115
4=65
3=65
5=50 degrees

- anonymous

You 're welcome Melissa, plz do get back if u still have doubts:):)

- amistre64

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- anonymous

hmmm not bad...

- anonymous

WOW, Thanks I think I actually understand now:)... Weird; because math is soooooo hard for me. Hopefully I pass the test Monday

- amistre64

trust me this aint math.... its pictures lol

- anonymous

Thinker you rock!!!

- anonymous

ok, Thanks Amistre64. You got jokes but I have tears... Have a nice day

- anonymous

The answer to this question really depends on what level of math you are trying to use as well as what information is given.

- radar

Tell me why angle 4 does not equal angle 5 as they are vertical angles/

- radar

I would double check believe Angle 4 = Angle 5 =50 degrees.
Angle 1 = 25 dcegrees, angle 2 = 115 Degrees, angle 3 = 65 degrees.

- radar

Will someone else wade in on this and verify?

- anonymous

Radar your answers appear to be correctly deduced.

- radar

I was hoping for a correct dedoosing lol

- radar

Thanks mycoalson

- anonymous

i guess the only way is to use a use a protractor:):) if not i have no clue at all.lol

- radar

That would work if the angles were drawn accurately!

- anonymous

@Radar: I've always had a problem with dooses myself. As to measuring angles, again, depends on your givens and your level of math. In the included diagram, all the givens were angles geometrical logic could be used.

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