Could someone please help me with this
1 answer:
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We are asked to find the area of patio. It is circular so formula used for area is given by:
Where
r = radius = diameter / 2 = 20 / 2 = 10 feet
When we round this to the nearest whole number:
Where
r = radius = diameter / 2 = 20 / 2 = 10 feet
When we round this to the nearest whole number:
Nice. We're not really told which is the right angle. We can tell from the squared distances:
We see so B is the right angle.
That was preliminary and probably indicated in an associated figure.
Now we want the line through the midpoint of the legs, AB and BC, in standard form.
The midpoint of AB is the average of the coordinates of A and B:
The midpoint of BC is
The line through those points is
That's the answer. Let's check it.
Midpoint of AB is (-2,3), -2 + 8(3)=22 good.
Midpoint of BC is (2,5/2), 2+8(5/2)=22 good.