3 years ago

How do I do this problem ?

Mathematics

1 answer:

katrin2010 [14]3 years ago

3 0

Y=13 Because a line equals 180. 180-11=169/13=13
x=8 because 180+22=202-4=198/11=18

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irinina [24]

Solution :

For the bigger rectangle

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Length of bigger rectangle, L = 2W

For the smaller rectangle

Width , w = W+4

Length, l = L = 2W

Area, a =120 $m^2$

Now we know,

Area = length x width

$a=l \times w$

$120=(2W) \times (W+4)$

$120=2W^2 + 8W$

$2W^2+8W-120=0$

$W^2+4W-60=0$

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We get, either $W=-10$ (rejecting)

or $W=6$

∴ length of the bigger rectangle, $L=2W$

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= 2(6)

= 12 m

Hence, the length of the two gardens is 12 m.

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natali 33 [55]

Yep
Spot on
I got 9
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Answer:

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