Math Is Fun Forum

Heldensheld

Member

Registered: 2006-07-01

Posts: 25

Re: A few.....alright maybe a lot.....of math problems here~

John E. Franklin wrote:
Q3 explained:
  Draw a straight line from the center of small circle (altitute 2) to center of large circle (altitude 3).
Because it is a straight line from altitude 2 to altitude 3, then the height gained to point A is exactly the same fraction of the length 5 as the 2 and 3 lengths tell you.  So 2/(2+3) is the fraction of the height difference.
The center to center of circles height difference is 3 - 2 or 1 and the fraction therefrom is 0.4 above the 2 height.
Do you want to see a picture.  I didn't scan one in yet.

I'd like that, Thanks.

John E. Franklin

Member

Registered: 2005-08-29

Posts: 3,588

Re: A few.....alright maybe a lot.....of math problems here~

click on picture to enlarge.

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