How to round to the nearest hundreth

Look at the thousandths place digit.

If the number is less than or equal to 4...

Keep the digit in the hundredths place and delete the thousandths place digit.

Ex : 12.493 --> 12.49

If the number if greater than or equal to 5...

Round the number up to the next nearest natural number in the hundredths place.

Ex : 12.588 --> 12.59

i belive those are the ones that are under 90 degreese.

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