Id put more points but people have been taking advantage of that and putting the wrong answers not even explaining it.
jaya has 10 cm square piece of origami paper. if she folds the square into 4 equal triangles, what will be the area of each triangle?
last year, a tractor company manufactured 21,343 tractors. to the nearest whole, how many were made each month?

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

22

step-by-step explanation:

22