Question

CoxSuppose the sides of a pendant inthe shape of an equilateral triangleare 18mm long. What is the heightof the pendant to the nearest tenthof a millimeter?rSubmit

Answer 1

We have an equilateral triangle, this kind of triangles have the same measure of all their sides

the formula to calculate the height of these triangles is

$h=a\cdot\frac{\sqrt[]{3}}{2}$

a=18

we substitute the value

$undefined$