In equilateral triangle ABC, AB = 14. Find the perimeter of the triangle that joins the midpoints of the sides of triangle ABC.
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In equilateral triangle ABC, AB = 14. Find the perimeter of the triangle that joins the midpoints of the sides of triangle ABC.
If the new triangle maked, is DEF and too is equilateral and your sizes are the 1/2 of the size of the triangle ABC
sorry for my bad english (Crying)
Hello, magentarita!
There is a theorem that says:Quote:
In equilateral triangle,
.
Find the perimeter of the triangle that joins the midpoints of the sides of
The line segment joining the midpoints of two side of a triangle
. . is parallel to and one-half the length of the third side.Code:C
*
* *
* *
P *--------* Q
* *
* *
A * * * * * * * B
We have .
. . and this is true for any triangle.
See diagram. Add the sides of the little triangle inside the big triangleQuote:
Originally Posted by magentarita
Another wonderful reply.Quote:
Originally Posted by SorobanHello, magentarita!
There is a theorem that says:
The line segment joining the midpoints of two side of a triangle
. . is parallel to and one-half the length of the third side.We have .Code:C
*
* *
* *
P *--------* Q
* *
* *
A * * * * * * * B
. . and this is true for any triangle.
How do you make such drawings?Quote:
Originally Posted by masters
My drawings aren't sophisticated like some others that you might have seen on this forum. I simply use Microsoft Paint. Simple, I know. But it seems to serve the purpose...so long as the drawings don't get too complicated.Quote:
Originally Posted by magentarita
What are the steps for using microsoft paint?Quote:
Originally Posted by masters
It's found under "Program" "Accessories". There's a help tab at the top and a toolbar on the left.Quote:
Originally Posted by magentarita