Solution:
We have re-drawn the given diagram, as we can see the given rectangle is actually divided into two parts.
one is Large square and the other one is a smaller rectangle.
Now we will apply the Pythagoras theorem in the larger triangle which is inside the square.
So we can write

Now we will apply the Pythagoras theorem in the smaller triangle which is inside the smaller rectangle.
So we can write

The approximate sum of the lengths of the two sidewalks, shown as dotted lines
m
Hence the correct option is D
You'd have to find slope so you would use y1-y2 over x2-x1 so itd be 4-4 over 9-2 thatd equal 0/7 thats ur slope. using slope intercept form y=mx+b plug in ur slope y=0/7 x + 4 (y- intecept) then youd subtract the 0/7 x from both so youd have -0/7x+y=4 and that is in standard form.

<h3>» Ami's mass is

the mass of Raphael.</h3>
<u>S</u><u>o</u><u>l</u><u>u</u><u>t</u><u>i</u><u>o</u><u>n</u><u>:</u>
Given that
- Ami's mass is 72 kg and
- Raphael's mass is 108 kg.
To write Ami’s mass as a fraction of Raphael's mass, we divide Ami's mass by Raphael's mass. So it is now
.
However, there the fraction is not yet in its simplest form, so we have to extract common factors from both the numerator and the denominator:
- =

Therefore, Ami's mass is
the mass of Raphael.


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It will help because than you could subtract 12 to get the answer of 12 x 49. You just have to make sure you do the problem right.