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SCORPION-xisa [38]
3 years ago
6

PLEASE HELP !!!!

Mathematics
1 answer:
Andre45 [30]3 years ago
3 0

Answer:

600ft square

Step-by-step explanation:

Lets multiply all numbers given by 10 beacuse they represent 10 ft

20ft*30ft=600ft square` the area of living room

25ft*20ft=500ft square` the area of bedroom

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The hypotenuse of a 45°-45°-90° triangle measures 128 cm. A right triangle is shown. The length of the hypotenuse is 128 centime
Aleks [24]

Answer:

64√2 or 64 StartRoot 2 EndRoot

Step-by-step explanation:

A 45-45-90 traingle is a special traingle.  Let's say one of the leg of the triangle is x. The other one is also x because of the isosocles triangle theorem.  Therefore, using the pytagorean theorem, you find that x^2+x^2=c^2.  2(x)^2=c^2.  You then square root both sides and get c= x√2.  

Therefore, the two legs are x and the hypotenuse is x√2.  x√2=128 because the question says that the hypotenuse is 128.  Solve for x by dividing both sides by √2.  X=128/√2.  You rationalize it by multiplying the numberator and denominator of the fraction by √2.  √2*√2= 2.

X=(128√2)/2= 64√2 cm.

Since X is the leg, the answer would be 64√2

3 0
3 years ago
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Pavlova-9 [17]

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Answer:

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Step-by-step explanation:

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