If you're asking the height of the triangle, it is 2x-1.
I got the 2x from "twice the length of the base"
and (-1) from "1 cm less"
If you are asking for .39 to be divided by .75 the answer is .52
<span> (2a + 6 * 2)(3a + </span>3<span>)
hope this helps
</span>
weight is a force
force=mass times acceleration
weight=24.52*0.59=14.4668N