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2 answers:
<u>Answer:</u>
The correct answer option is b. Perimeter = 19.2 units, Area = 22 units.
<u>Step-by-step explanation:</u>
We are given a pentagon ABDEC and we are to find its perimeter.
From the given figure, we can clearly see that the pentagon can be divided into two shapes, a square and a triangle. One side of each of these shapes will be excluded from the perimeter.
Distance of AB =
The length of AB and AC are same and the BD, DE and CE are same (4 units).
Perimeter of pentagon ABDEC = 4 + 4 + 4 + 3.6 + 3.6 = 19.2 units
Area = (area of ΔABC) + (area of square BDEC)
=
= 22 units
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ANSWER
EXPLANATION
We want to find the absolute value function for the line in blue.
The general form of an absolute value function is:
where (h, k) = vertex
From the line, the vertex of the graph in blue is:
To find a, we have to pick a point (x, y) on the line and input it into the general function.
Let us pick (2, 1).
Therefore, we have:
Therefore, the absolute value function is: