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katen-ka-za [31]
2 years ago
8

I don't understand this type of stuff so plz if u know what the answer is otherwise don't comment

Mathematics
2 answers:
Tatiana [17]2 years ago
5 0
I also think it is A hope you get it right!
Shalnov [3]2 years ago
3 0

I think it's A  becaouse the answer I got was very close to the answer of A so it's A I think. Im just tying to help c:

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If the original rectangle has an area of 2 cm squared and the scaled copied has an area of 50 cm squared what is the scale facto
vazorg [7]

Answer:

The scale factor used to draw the scaled copy is a factor of 5

Step-by-step explanation:

Here, we are interested in calculating the scale factor which was used to transition the original rectangle to the new scaled copy.

Firstly, there is a way to relate how the scale factor of the sides relate to the scale factor of the area. What we are saying here is that the scale factor of the sides is never equal to that of the area;

For a 2 cm^2 area let’s say the sides are 1 by 2 ; this gives us an area as said

Now, to get 50cm^2, we can see that the scale factor of both areas is 25 (2 to 50)

So the area has been scaled 25 times the original area. So how has the sides been scaled?

Using a general principle, the scale used to scale the area is the square of the scale used to scale the sides. What are we saying here? if the area is scaled by 4, then the sides are scaled by 2

So in this particular case, the area is scaled by a factor of 25

Now, the scale factor of the sides will be the positive square root of this which is 5

Hence, we can conclude that the sides of the smaller triangles were each multiplied by 5 to arrive at the sides of the bigger one which makes it that the scale factor used to draw the scaled copy is 5

8 0
3 years ago
A pyrotechnician plans for two fireworks to explode together at the same height in the air. They travel at speeds shown below. F
kow [346]
.875 seconds
a=360t
b=280t+(280*.25)
360t=280t+(280*.25)
360t=280t+70
80t=70
t=.875
5 0
3 years ago
Read 2 more answers
A regular octagon rotates 360° about its center. How many times does the image of the octagon coincide with the preimage during
True [87]
Hello there!

The correct answer is D. 8.

Hope This Helps You!
Good Luck :)
4 0
3 years ago
Why are these triangles similar?​
Nezavi [6.7K]
The answer is AA

good luck
3 0
2 years ago
Find Slope of the line passing through each pair of points
Kisachek [45]
1) 4/2 2) 1/3 3) 3/-1
4 0
3 years ago
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