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vovikov84 [41]
3 years ago
11

FAST PLEASE 50 POINTS :D

Mathematics
2 answers:
Ivenika [448]3 years ago
8 0

Answer:

20 units ^2

Step-by-step explanation:

The vertices are ( -8,-2) (-3,-2) (-3,-6) (-8,-6)

The sides are parallel

The lengths are *2- to -6  = 4 units

and  -8 to -3 = 5 units

4*5 = 20 units ^2

Naddika [18.5K]3 years ago
3 0

Answer:

Area = 20 units²

Step-by-step explanation:

<em>Let A(-8,-2), B(-3,-2), C(-3,-6) and D(-8,-6) so that the rectangle becomes ABCD.</em>

=> <u><em>Since it's a rectangle it will have two opposite sides equal.</em></u>

<em>So, let's find the length of any two sides (as length and width) by Distance Formula.</em>

Distance Formula = \sqrt{(x2-x1)^2+(y2-y1)^2}

<u><em>Side AB:</em></u>

|AB| = \sqrt{(-3+8)^2+(-2+2)^2}

|AB| = \sqrt{5^2}

|AB| = 5

<u><em>Side BC:</em></u>

|BC| = \sqrt{(-3+3)^2+(-6+2)^2}

|BC| = \sqrt{16}

|BC| = 4

<u><em>Now, Area:</em></u>

Area of the rectangle = Length * Width

Area = 4 * 5

Area = 20 units²

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