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3 years ago

55) A dilation of scale factor of 4 will produce a congruent figureTrue or False

Mathematics

1 answer:

vivado [14]3 years ago

6 0

Answer:

False

Step-by-step explanation:

When a figure is dilated by a scale factor of 4, the new figure produced will be 4 times the size of the original figure. This means that, the size would change while the shape remains the same as the original figure.

Congruent figures must have the same shape and size.

Therefore, the figure produced when a dilation of scale factor of 4 is done is not a congruent figure. Rather, it is a similar figure.

So, get statement is FALSE.

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suppose the number of fiction books is 2/7 times the number of nonfiction books. what would be the ratio of the numbers of nonfi

Elis [28]

Well, the total amount of books is all fiction books and nonfiction books, let's say is "x", total

now, the fiction books are 2:7 or 2/7 to nonfiction

so, if we divide the total "x" by 2+7, or 9, 2 of those quotients go to fiction and 7 of those go to nonfiction

if we divide "x" by 9, a "whole" is 9/9 or (9/9)x or 1x or just "x"

and we know 7 of those 9ths belong to nonfiction, thus

$\bf \begin{array}{clclclll}
\cfrac{2}{9}&+&\cfrac{7}{9}&=&\cfrac{9}{9}\\
\uparrow &&\uparrow &&\uparrow \\
fiction&&nonfiction&&whole
\end{array}\\\\
-----------------------------\\\\
\cfrac{nonfiction}{whole}\implies \cfrac{7}{9}\implies 7:9\impliedby ratio$

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3 years ago

Find the area of the rectangle with the given base and height.

hram777 [196]

A = b * h
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4 years ago

Find the volume of a pyramid with a square base, where the side length of the base is 4.8\text{ cm}4.8 cm and the height of the

vekshin1

Answer: 35.328 cubic inches.

Step-by-step explanation:

Volume of square pyramid = $\dfrac{a^2}{3}h$ , where a = length of base , h = height

Given: For a square pyramid

a= 4.8 cm and h = 4.6

Then, Volume = $\dfrac{4.8^2}{3}\times4.6$

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Hence, the volume of a pyramid with a square base = 35.328 cubic inches.

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3 years ago

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ki77a [65]

Answer:

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Step-by-step explanation:

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4 years ago

Can someone please help me?

Lostsunrise [7]

Answer:

The angle between the two sides of the right triangle is aproximately 31.003º.

Step-by-step explanation:

From image attached on question we infer that we need to find the angle between sides of lengths 6 (adjacent leg) and 7 (hypotenuse) in the right triangle. The angle can be found by means of this trigonometric ratio:

$\cos \alpha = \frac{6}{7}$

$\alpha = \cos^{-1} \frac{6}{7}$

$\alpha \approx 31.003^{\circ}$

The angle between the two sides of the right triangle is aproximately 31.003º.

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3 years ago

55) A dilation of scale factor of 4 will produce a congruent figureTrue or False​

55) A dilation of scale factor of 4 will produce a congruent figureTrue or False