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Debora [2.8K]
3 years ago
13

A square with an area of 196 ft2 is reduced by a factor of 1/4. How long the new sides of the square?

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
5 0

Answer:

49

Step-by-step explanation:

<h2><u>Lesson : Reducing by factors:</u></h2><h2><u /></h2>

Given :

196ft^2

Reduced * factor * of * \frac{1}{4}

When you have to reduce a number by a certain factor, you must divide the area with the amount that it is reducing from, therefore,

\frac{196}{4}

49

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Answer:

x = 17.5 and y = 35

Step-by-step explanation:

2x + 10 = y + 10 ( alternate angles )

subtract 10 from both sides

2x = y ⇒ 6x = 3y → (1)

the sum of the 3 angles in the triangle = 180°

6x + y + 10 + 30 = 180 ( replace 6x by 3y )

3y + y + 40 = 180

4y + 40 = 180 ( subtract 40 from both sides )

4y = 140 ( divide both sides by 4 )

y = 35

substitute y = 35 into (1)

2x = 35 ( divide both sides by 2 )

x = 17.5



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pychu [463]

Answer:

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Step-by-step explanation:

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