21. You are baking cookies. You have 7 cups of flour. You use 2 cups of

Proving circles are similar: Choose any of the transformations that would be a step in proving that Circle A is similar to Circl

Ulleksa [173]

The transformations that would prove that circles A and C are similar are:

A. Reflect A over the line y=x
C. Dilate A by 3/2

<h3>How to prove that circle A and circle C are similar?</h3>

The circles are given as:

Circle A and B

Assume the following parameters:

The center of circle A is (2,3) with a radius of 2
The center of circle B is (3,2) with a radius of 3

To start with;

The circle A must be reflected across the line y = x with the following transformation rule:

(x,y) -> (y,x)

So, we have:

(2,3) -> (3,2)

Next, the radius of A must be dilated by 3/2 as follows:

New Radius = 3/2 * 2 = 3

After the transformations, we have the following parameters:

The center of circle A is (3,2) with a radius of 3
The center of circle B is (3,2) with a radius of 3

Notice that both circles now have the same center and radius.

Hence, both circles are similar

Read more about similar circles at:

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7 0

2 years ago

Help i’ll give brainliest

Vedmedyk [2.9K]

I think that is proportional

7 0

3 years ago

Read 2 more answers

I need to get a better grade

Ne4ueva [31]

Yes you do and what grade are you in and do you need help answering these questions

6 0

4 years ago

Mt. McKinley, which is the highest elevation in North America, is 20,320 feet above sea level. Death Valley, which is the lowest

Llana [10]

Answer:

<u>20,602 feet</u> is the difference in height between the top of Mt. McKinley and the bottom of the Death Valley.

Step-by-step explanation:

Given:

Mt. McKinley, which is the highest elevation in North America, is 20,320 feet above sea level.

Death Valley, which is the lowest elevation in North America, is 282 feet below sea level.

Now, to find the difference in height between the top of Mt. McKinley and the bottom of the death valley.

<em>Height of Mt. McKinley above sea level = 20,320 feet.</em>

<em>Height of Death Valley below sea level = 282 feet.</em>

Now, to get the difference in height between the top of Mt. McKinley and the bottom of the Death Valley by adding both the heights:

$20320+282$

$=20602\ feet.$

Therefore, 20,602 feet is the difference in height between the top of Mt. McKinley and the bottom of the Death Valley.

5 0

3 years ago

i) Baraka bought ksh.20,000 worth of shares of a company each month. During the first three months, he bought the shares at a pr

Sladkaya [172]

The average price paid by him for the shares after 3 months is ksh. 163.33

<h3>Average</h3>

Total value of shares bought = ksh.20,000

Amount of shares bought in the first three months = ksh.120, ksh.160 and ksh.210

Average price paid for the shares after 3 months

= (120 + 160 + 210) / 3

= 490 / 3

= 163.333333333333

Approximately,

ksh. 163.33

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4 0

2 years ago