Question

What is the length of stack R M with bar on top when TS = 12 cm, TP = 11 cm, and RO = 15 cm? Round to the nearest tenth of a centimeter.
cm.

Answer 1

@xapproachesinfinity

Answer 2

first you see the triangle again yes
to find rm we need om, ro was given to use
so one part is missing

Answer 3

so now what is it that can give us om that's the question

Answer 4

do I take 12^2 and add to 15^2?

Answer 5

here we look at the rectangle at the base

Answer 6

no! it is not just Pythagoras

Answer 7

whenever you want to use Pythagoras you need to have a right triangle first okay

Answer 8

you can't just use on something else

Answer 9

I think I got it thanks.

Answer 10

ok
what i realize in the rectangle is that O is the centroid of the base

Answer 11

which means that OM is at half distance of TS

Answer 12

so what is half TS?

Answer 13

@CelinaDeberry