Help please will give brainliest any false answers i will report and will delete.

i just took the test, the correct answer is .. 31.5 in.

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

central angle of a triangle has the same measure as its intercepted arc.

step-by-step explanation:

t

step-by-step explanation:

ever thing time 1 is a multiply by 1 it get