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Find out the length of each side. For the slanty sides, you can do this by using the formula
For the straight sides (like the one on the bottom and the one on the left), just use simple subtraction.
Add up all 4 sides and you get the perimeter. You should get 20, 15, and
. The total is 35 +
.
Answer:
The first, second, and fifth statements are correct.
Step-by-step explanation:
We are given a circle with the equation:
And we want to select the statements that are true.
First, we can convert the equation into standard form. We can group each variable:
And complete the square for the first term:
Factor and simplify:
We can rewrite our equation as:
So, this tells us that we have a circle centered on (1, 0) with a radius of 3 units.
In this case, the first statement, second statement (the point (1,0) is on the x-axis), and fifth statements are correct (the square root of 9 is also 3).