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24-Ruby IV

## Why I have got this strange solution

Why I have got this strange solution? See please the picture and the Mathcad 15 file in attach.

1 ACCEPTED SOLUTION

Accepted Solutions
23-Emerald III
(To:ValeryOchkov)

For some reason you have Mathcad in the position where it interprets 5h as 05h (that is 5, hexadecimal, equals 5 decimal). The same for a, it is 4h=4.

Because with h=1/2, you can have either:

a=2 and r=1.25,

OR

a=0 and r=1/4.

Which only plots the circle, as the square has sides of zero, and sits on -1/4,0.

Success!
Luc

2 REPLIES 2
23-Emerald III
(To:ValeryOchkov)

For some reason you have Mathcad in the position where it interprets 5h as 05h (that is 5, hexadecimal, equals 5 decimal). The same for a, it is 4h=4.

Because with h=1/2, you can have either:

a=2 and r=1.25,

OR

a=0 and r=1/4.

Which only plots the circle, as the square has sides of zero, and sits on -1/4,0.

Success!
Luc

24-Ruby IV
(To:LucMeekes)

Thanks, Luk!

It was one error from one my student. And I have showed him how we can work with PTC community.

1 Use units of length in geometry problems.

2 Use dot here: 3*h, a*(h-1m) etc.

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