to make dough, reba needs 2 1 / 2 cups of flour. how much flour does she need to make 5 batches of dough? explain
2 answers:
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Looks like the labeled angle is bisected, in which case we can apply the angle bisector theorem. For this triangle, it says
Solve for :
Then either or
, but since
is a length, it must be positive. So <em>x</em> = 2.