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aaaranda0308
05.05.2020 •
Mathematics
What is the perimeter of parallelogram WXYZ
/5- /17 units
2/5+2/17 units
16 units
22 units
The points of the parallelogram are
X4.0)
W(0.-1
Y(3.-2
Z-1,-3)
Solved
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Ответ:
Step-by-step explanation:
Given a parallelogram with points
X(4, 0)
W(0, -1)
Y(3, -2)
Z(-1, -3)
We want to find the perimeter, perimeter is the total sum of the lengths
So, we need to find the length of the sides using distance between two points
D = √(x2-x1)² + (y2-y1)²
So, applying this
WX = √(0-4)²+(-1-0)² = √(16 + 1) = √17
XY = √(4-3)² + (0--2)² = √(1+4) = √5
Since the opposite sides of a parallelogram are equal, we don't need to find the other length
Then,
Perimeter = 2(WX + XY)
Perimeter = 2(√17 + √5)
Perimeter = 2√17 + 2√5
The correct answer is B.
Ответ:
y = 2/5 x - 4,
Step-by-step explanation:
The slope is negative as it rises to the right.
By counting the squares we see that the slope is -2/5.
The y-intercept is -4 so the equation is y = 2/5 x - 4,