Step-by-step explanation:
(2, 4)
(2, 1)
(6, 12)
(4, -5)
(-2, 4)
(2, -4)
(6, -12)
(-4, 5)
Quadrilateral ABCD is reflected over the x-axis.
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Quadrilateral ABCD is translated 2 units right and 1 unit down.
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Quadrilateral ABCD is dilated about the origin by a scale factor of 3.
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Quadrilateral ABCD is rotated 180° clockwise about the origin.
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Answer:Serkan teacher regularly buys 75 TL of gasoline in his car every week.
At the end of the 13th week, how much is the total gasoline expenditure made by the serkan teacher?
A)390 B)420 C)900 D)975
Step-by-step explanation:
Let's assume they meant C=40 degrees. With an angle like that they're asking for approximation; we'll oblige.
The circumradius is the product of the triangle sides divided by four times the area.
Here we have remaining side given by the Law of Cosines.



The area is

The circumradius is
1a (you don’t necessarily need to include the 1, so you can just put “a” if you’d like).