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vichka [17]
3 years ago
9

rectangle ABCD is graphed in the coordinate plane. the following are the vertices of the rectangle: A(-6,-4) B(-4, -4), C(-4, -2

), and D(-6,-2) what is the perimeter of rectangle ABCD
Mathematics
1 answer:
solmaris [256]3 years ago
6 0

Answer:

The perimeter is 8 units

Step-by-step explanation:

The vertices of the given rectangle are: A(-6,-4) B(-4, -4), C(-4, -2), and D(-6,-2)

We use the absolute value method to find the length around the edges of the rectangle.

|AB|=|-6--4|=|-2|=2

|BC|=|-4--2|=|-2|=2

The perimeter of the rectangle is

P=2(w+l)

Substitute the dimensions to get:

P=2(2+2)

P=2(4)

P=8 units.

The perimeter is 8 units.

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*see attachment for clearer diagram

Answer:

16.5

Step-by-step explanation:

BC = 11

AB = 3

Area of the shaded region = area of ∆AEB + area of ∆CED

Area of a triangle is given as,

A = ½*base*height

Find the area of each triangle and add together

✔️Area of ∆AEB = ½*bh

Where,

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height (h) = ½(BC) = ½(11) = 5.5

Area of ∆AEB = ½*3*5.5 = 8.25

✔️Area of ∆CED = ½*bh

Where,

b = 3

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Area of ∆CED = ½*3*5.5 = 8.25

✅Area of the shaded region = area of ∆AEB + area of ∆CED

= 8.25 + 8.25

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Hello!

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