If a rectangular field has a width of 15 meters and a perimeter of 94 meters what is the area of the field?

Question

A. 32
B.79
C.480
D.1185

Answer 1

C. 480

Answer 2

Lets see: 15 times 2 is 30, 94 minus 30 is 64, 64 divided by 2 is 32, 32 times 15 is 480.

C. 480

Answer 3

C. 480
If the rectangle has a width of 15, you know 2 sides are 15. so subtract 15 twice from 94 to get 64.

Not with the 64, you know that that is the amount left for 2 sides, so divide by 2 to get 32.

So now you know one side is 32 and one is 15. Multiply the two to get 480 for the area.

Answer 4

A rectangle has two pairs of equal sides. Since one side is equal to 15 meters, the one opposite is, too. That leaves the remaining two equal sides to share the difference.

Mathematically:

(2 * 15) + (2 * x) = 94
30 + 2x = 94
2x = 94 - 30
2x = 64
x = 32

Area equals the length times the width:

A = l * w
A = 32 x 15
A = 480.

Answer 5

If we take the perimeter and subtract twice the width we get twice the length which is 64 meters. Half of that (32 meters) is the length. We multiply the length by the width to get the area. Thus the area is 480 square meters. "C"
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Answer 6

C. 480 square meters.

Perimeter = 94m, so length = 1/2(94 - 2*15) = 32m

Therefore, Area = l*w = 32m * 15m = 480 m^2

Answer 7

Perimeter = 2l + 2w where l =length and w = width

94 = 2l +2(15) --> 64 = 2l --> l =32

Area = 32*15 = 480

Answer 8

P=2(L+W)
94=2(L+15)
94=2L+30
64=2L
L=32

A=LW
A=32*15
A=480

C

Answer 9

480

Answer 10

There are two sides of 15 meters each.That makes 30meters
The other two sides make 94-30 =64 meters.
That means one side is 32 meters.(A) is the right answer.
Is it understood?
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