i need help look at attachment plz!!!!!

- anonymous

i need help look at attachment plz!!!!!

- chestercat

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- anonymous

##### 1 Attachment

- anonymous

the 80 degrees is supposed to br in between f and g

- anonymous

This is essentially the same problem. Just with different numbers. What have you tried to solve it?

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- anonymous

i dont know where to start

- anonymous

What is the arc length for a portion of a circle described by an angle?

- anonymous

is it 7m?

- anonymous

No, in general. If you have a circle with radius r, what is the length of the arc described by the angle Theta?

- anonymous

johnlajoie, something is not correct with the diagram

- anonymous

here

##### 1 Attachment

- anonymous

this is the rite one

- anonymous

No, that diagram is wrong. It claims there is a D which should give some information about the size of the radius. But it's not shown in the drawing.

- anonymous

my bad got it now

##### 1 Attachment

- anonymous

So again. Given how is the radius, angle and arclength of a portion of a circle related?

- anonymous

I guess that H, not N. And question 3 should be length of EFG and not FEG

- anonymous

nope its FEG

- anonymous

they all r requred to solve the problem

- anonymous

is dat correct?

- anonymous

Can you tell me how an angle, radius and arclength are related? If you can figure this out (look in your book) it should give you some idea where to start.

- anonymous

can u help me with numbers 1-3 pls step by step??

- anonymous

Yes, but first you have to answer my question. I'm certain that this info was covered by your teacher, in your book, and in the previous question you asked about this subject.

- anonymous

Given a radius and an angle(in radians) how do you find the arclength subtended by that angle?

- anonymous

the arc length = measure of central angle in radians x radius length

- anonymous

Correct. And your diagram is still wrong. It doesn't have an H even though the question asks for it, D is not a diameter, and No info is given about how H relates to the other points.

- anonymous

this is the last thing it could be

##### 1 Attachment

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