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Oksana_A [137]
3 years ago
7

A rectangle has vertices at (0 0) (3 0) and (0 6). what is the area of the rectangle answer

Mathematics
2 answers:
nata0808 [166]3 years ago
5 0

Answer:

9 units

Step-by-step explanation:

We need to find the last point. This is a rectangle. We already have 3 corners. We need the opposite corner to (0,0). One corner has an x of 3 and a y of 0, another corner has a x of 0 and a y of 6.

We therefore know the fourth corner/point is (3, 6)

Now we can properly visualize the rectangle. If the rectangle has a corner at the origin, we can just use a formula and the other corner to find the area.

Area (rectangle) = 1/2 x length x width

The length will be the difference between the two x points (0 and 3) and the width will be the difference between the two y points (0 and 6).

Length = 3

Width = 6

Area = 1/2 x 3 x 6

Area =  9 units

KonstantinChe [14]3 years ago
3 0

Answer:

18 sq. units

Step-by-step explanation:

Height would be 6 and Length would be 3

6 x 3 = 18

For further help, use a coordinate grid and plot the points

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Help with 6th grade math!
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Let's apply this formula to your question and substitute given information, then solve for l.
P = 2(w + l)
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8 0
3 years ago
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Find the value of <br> x<br> y, and <br> z in the parallelogram below.
EastWind [94]
Let A be the angle of 79 degrees
B be the angle of (5y-4) degrees
C be the angle of (x+5) degrees
D be the angle of (9z-7) degrees
According to the property of parallelogram
Opposite angles are equal
We get, angle A = angle C
Since angle A = 79 degrees
And angle C = (x+5) degrees
We get, x+5=79
=> x=79-5=74.

Angle B = Angle D
(5y-4)=(9z-7)
Since there’s two variables here, we can’t use the property of “opposite angles are equivalent”
We have to use another property which is adjacent angles are equal
Therefore, we can find angle D
Angle D + Angle A=180
=> 9z-7 =180-79
z=108/9
z=12
Since (5y-4)=(9z-7)
Substitute z=12 in
We get, 5y-4=101
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Therefore, x=74, y=21 and z=12.
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e-lub [12.9K]
8x^2+6x^2+4x=138  combine like terms on left side

14x^2+4x=138 since the number of seats in the from row is just 4x, subtract 14x^2 from both sides

4x=138-14x^2  that would be the general solution, if you wanted the actual number you would have to solve for x and then multiply that value by 4 to know what "4x" is...

14x^2+4x-138=0

14x^2-42x+46x-138=0

14x(x-3)+46(x-3)=0

(14x+46)(x-3)=0

2(7x+23)(x-3)=0, since x>0

x=3 and thus

4x=12 seats

So there are 12 seats in the front row addition.


3 0
3 years ago
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