## DrPepperx3 Group Title GeometryB help? Medal! c: 4 months ago 4 months ago

1. DrPepperx3 Group Title

3.Quilt squares are cut on the diagonal to form triangular quilt pieces. The hypotenuse of the resulting triangles is 34 inches long. What is the side length of each piece? a. 34 sqrt2 inches b. 17 sqrt3 inches c. 17 sqrt2 inches d. 13 inches

2. johnweldon1993 Group Title

So since it is cut out of a square...we have the same 45 45 90 triangle thing... now we know the hypotenuse is 34 So that means the other 2 legs...would be a number times √2 that would = 34 $\large x√2 = 34$ $\large x = \frac{34}{√2}$ $\large x = 17√2$

3. DrPepperx3 Group Title

how would you put it in the calculator? because im trying to find that Ti8+ calculator thing to download to my computer c: so i'll know how to work these problems!

4. johnweldon1993 Group Title

Good idea :) But how would you put what in the calculator? There is a function key for square roots and everything on there (or at least should be)

5. DrPepperx3 Group Title

ohhh nevermind I understand what you did! sorry I feel stupid lol

6. johnweldon1993 Group Title

Don't worry about it :)

7. DrPepperx3 Group Title

i appreciate your help :) if its not to much to ask, do you mind helping me some more? c: ill keep giving you medals lol

8. johnweldon1993 Group Title

Haha I dont care about medals :P but yeah of course :)

9. DrPepperx3 Group Title

yay thank you :) lol 4. Find the missing value to the nearest hundredth. sin___= 7/12

10. johnweldon1993 Group Title

Well for that we have $\large sin(x) = \frac{7}{12}$so$\large x = \sin^{-1}(\frac{7}{12})$

11. johnweldon1993 Group Title

And yes on a calculator that would be (2nd)(sin) also known as "arcsin"

12. DrPepperx3 Group Title

so it would be 54.31 degrees?

13. johnweldon1993 Group Title

Not quite what I get...

14. DrPepperx3 Group Title

a. 35.69 degrees b. 30.26 degrees c. 80.16 degrees d. 54.31 degrees

15. johnweldon1993 Group Title

You did arccos :P you need arcsin :)

16. DrPepperx3 Group Title

ohhhh what i got was -0.332 s:

17. johnweldon1993 Group Title

You are more than likely in "radians" measure..you want to be in degrees :)

18. johnweldon1993 Group Title
19. johnweldon1993 Group Title

Google works just as well as a calculator :D

20. DrPepperx3 Group Title

ohh ok i finally found the link to download the calculator! ^_^ ok let me try again

21. johnweldon1993 Group Title

Yay :)

22. DrPepperx3 Group Title

sorry was late on the reply lol should have just googled it

23. johnweldon1993 Group Title

No that's okay hun :)

24. johnweldon1993 Group Title

The part that matters is getting the right answer lol

25. DrPepperx3 Group Title

hmm i did it like you said but i got .550 :l can you explain it to me again please ? s:

26. johnweldon1993 Group Title

Alright so first do (7/12)

27. DrPepperx3 Group Title

sin(7/12)?

28. johnweldon1993 Group Title

Nope...just 7/12 to start

29. DrPepperx3 Group Title

kk 7/12=.583

30. johnweldon1993 Group Title

And since you are on a computer...copy that answer... And then hit (2nd)(sin) and paste the answer you got and hit enter

31. johnweldon1993 Group Title

and if there is no (2nd) button...just look for a $$\sin^{-1}$$ button or an $$\text{arcsin}$$ button

32. DrPepperx3 Group Title

.622

33. johnweldon1993 Group Title

Ahh you ARE in radian mode.... Look for a button that says $$\large \text{rad}$$ or $$\large \text{deg}$$ you want to be in deg "degree" mode

34. DrPepperx3 Group Title

there isn't a rad or deg on the calculator :c

35. johnweldon1993 Group Title

O.o well that's terrible... Hmm try this http://www.meta-calculator.com/online/ click on the green scientific calculator button

36. johnweldon1993 Group Title

Now you see there is a "units" thing with radians and degrees next to it....click degrees And do the calculation over again...go over and hit the $$\large \sin^{-1}$$ button and put in 7/12 :)

37. DrPepperx3 Group Title

a! ^_^ ?

38. johnweldon1993 Group Title

There we go!! :DD

39. DrPepperx3 Group Title

finally! yayyyy lol xD

40. johnweldon1993 Group Title

Haha good job :) so use that calculator instead ;P

41. DrPepperx3 Group Title

yes that works wonders lol c: ty!

42. DrPepperx3 Group Title

can you explain to me how to work problems like this next one im going to post? s:

43. johnweldon1993 Group Title

But...I have to leave :( lol

44. DrPepperx3 Group Title

aww man your such a great teacher :( lol that's okay ty soooo much for all your help! ^_^

45. johnweldon1993 Group Title

Anytime :)