Let 4ABC be inscribed in a circle with center O with AB = 13, BC = 14, AC = 15. Let the foot of the perpendicular from A to BC be D and let AO intersect BC at E. Given the length of DE can be

expressed as m

n

where m, n are relatively prime positive integers, find m + n.

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have

$15.40 per mile

step-by-step explanation:

you have to round up to 4 because 6 is over 5 so you have to round the 3 up to 4