# Rectangle 39

Find the perimeter and area of the rectangular with vertices (-1, 4), (0,4), (0, -1), and (-4, 4)

Result

p =  18
A =  20

#### Solution:

$a = | 4-(-1)| = 5 \ \\ b = |-4 - 0| = 4 \ \\ p = 2 \cdot \ (a+b) = 2 \cdot \ (5+4) = 18$
$A = a \cdot \ b = 5 \cdot \ 4 = 20$

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