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- bob bundy
- 2012-10-11 00:00:28
hi tyteen4a03
Welcome to the forum.
I've made a diagram. Click below.
You may start by fixing Stockton and Overly at 10 miles apart.
But you don't know exactly where Shea is, in relation to these two.
So I've drawn a circle, radius 8 miles. Shea must lie somewhere on this circle, so you can consider the possibilities by thinking about the nearest it could be and so on.
Hope that helps,
Bob
- bobbym
- 2012-10-10 23:56:02
The answer is, she drove less than 36 miles.
Simple consequence of
a+b>c
b+c>a
a+c>b
when a,b,c are the sides of any triangle.
Call Shea to Stockton d and then you know that d < 10 + 8. Therefore only answer c is possible.
You are a programmer?
- tyteen4a03
- 2012-10-10 23:49:19
Oh, sorry. The problem is:
Three towns are arranged in the shape of a triangle. The distance from Stockton to Overly is 10 miles and the distance from Overly to Shea is 8 miles. Maria drives from Stockton to Overly to Shea and back to Stockton. Which of the following statements best describes her trip?
i.imgur.com/6UUsh.png
The answers are:
She drove 19 miles.
She drove 36 miles.
She drove less than 36 miles.
She drove more than 36 miles.
Thanks for answering.
- bobbym
- 2012-10-10 23:39:22
Hi;
That link does not show the problem, so I deleted it to prevent confusion. Please copy the problem here. Then it can be answered.
I think I can deduce what you are asking.
For any combination of three lengths a,b,c this must be true to form a triangle.
a+b>c
b+c>a
a+c>b
- tyteen4a03
- 2012-10-10 23:35:52
I just answered this question but was unable to come up with some kind of formula to tell the user that some combinations of a triangle is impossible. Is there any kind of formula to tell if a combination of a triangle is impossible?