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Mathematics 7 Online
OpenStudy (ayyookyndall):

@jim_thompson5910 Find the measurement of

jimthompson5910 (jim_thompson5910):

how far were you able to get?

OpenStudy (ayyookyndall):

Im sorry, but I only got decimals.. I dont know how to do this. @jim_thompson5910

jimthompson5910 (jim_thompson5910):

what did you get?

OpenStudy (ayyookyndall):

0.35877067 but do i need it in a fraction form?

jimthompson5910 (jim_thompson5910):

That result is in radians. Do they want the result in degrees? or no?

OpenStudy (ayyookyndall):

It doesnt say. Could it be in fractions?

OpenStudy (ayyookyndall):

WHat do you mean by radians? @jim_thompson5910

jimthompson5910 (jim_thompson5910):

have you learned about the difference between degrees and radians? or have you heard of radians at all?

OpenStudy (ayyookyndall):

Yes, but I am confused. Did I get it correct?

jimthompson5910 (jim_thompson5910):

well if they want angle A in degree mode, then you are incorrect

jimthompson5910 (jim_thompson5910):

I think angle A is in degree mode but I'm not sure

OpenStudy (ayyookyndall):

How do I get fraction mode? Im confused.

jimthompson5910 (jim_thompson5910):

what kind of calculator are you using?

OpenStudy (ayyookyndall):

A regular one? @jim_thompson5910

jimthompson5910 (jim_thompson5910):

a texas instrument?

jimthompson5910 (jim_thompson5910):

like TI83 or TI84 ?

OpenStudy (ayyookyndall):

No, mathway. Haha

OpenStudy (ayyookyndall):

That gave me the answer.

jimthompson5910 (jim_thompson5910):

look where it says "conversion from radians to degrees"

OpenStudy (ayyookyndall):

Okay, can you help me with one more?

OpenStudy (ayyookyndall):

Reduce the tangent ratio of of <A tan <A = 3/8

jimthompson5910 (jim_thompson5910):

you already asked that

OpenStudy (ayyookyndall):

Before?

OpenStudy (ayyookyndall):

I know. but I still dont understand

OpenStudy (ayyookyndall):

It cant be reduced right?

jimthompson5910 (jim_thompson5910):

yeah 3/8 is as reduced as it gets

jimthompson5910 (jim_thompson5910):

but you're looking for angle A http://www.wolframalpha.com/input/?i=arctan%283%2F8%29 it says that angle A is roughly 20.56 degrees

OpenStudy (ayyookyndall):

Okay. So the next part im confused.

OpenStudy (ayyookyndall):

Where are you getting degrees from? I dont think I have to use degrees.

OpenStudy (ayyookyndall):

Im using feet

OpenStudy (ayyookyndall):

Now I need to know if the tangent ratio is in compliance with the building code slope ratio for wheelchair ramps...

jimthompson5910 (jim_thompson5910):

why don't you post the whole thing as a screenshot

jimthompson5910 (jim_thompson5910):

that might make things a bit clearer

OpenStudy (ayyookyndall):

Like this is what I am working on.

OpenStudy (ayyookyndall):

I need help with #8

jimthompson5910 (jim_thompson5910):

so how did you get 3/8 ?

OpenStudy (ayyookyndall):

For number 4, i had to write it in feet, so the feet replace the centimeters ..|dw:1425448982133:dw|

jimthompson5910 (jim_thompson5910):

oh so this is an actual ramp you found? I see

OpenStudy (ayyookyndall):

For number 5 I did the Pythagorean Theorem and got 8.5 as the hypotenuse

OpenStudy (ayyookyndall):

So number 6 is |dw:1425449133826:dw|

OpenStudy (ayyookyndall):

Can you help me with seven?

OpenStudy (ayyookyndall):

Cause I dont think i am correct.

jimthompson5910 (jim_thompson5910):

I'm getting 8.54400374531753, so it looks good

jimthompson5910 (jim_thompson5910):

angle A is placed here right? |dw:1425449321370:dw|

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