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alexandr1967 [171]
3 years ago
8

Are two squares with the same side lengths scaled copies of one another?

Mathematics
2 answers:
Natalija [7]3 years ago
8 0

Yes. Any square is a scaled copy of any other. The scale factor for two same-size squares is 1.

Andreas93 [3]3 years ago
7 0

1. A figure that shows a real figure with accurate sizes reduced or enlarged by a certain amount (the scale factor) is called scale copy.

2. Two figures are congruent if they are the same size and shape - that is, if their corresponding angles and sides are equal (or scaled copies with scale factor 1).

3. Square is a quadrilateral that has equal sides and every angle is a right angle (90°).

If you have two squares with the same side lengths, then they have

  • congruent corresponding sides (they are all equal);
  • congruent corresponding angles (they are all right).

This means that  two squares with the same side lengths are congruent or are scaled copies of each other (with scale factor 1).

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galina1969 [7]

In the half-angle formula for sine and cosine, notice that a plus/minus sign appears in front of each radical (square root). Whether your answer is positive or negative depends on which quadrant the new angle (the half angle) is in

3 0
3 years ago
A rectangle has a perimeter of 56 in. The length is four more than the width. What are the length and width of the rectangle
Aleks04 [339]

Answer:

Width = 12 in

Length = 16 in

Step-by-step explanation:

Let, the Width of the rectangle = w in

Now, the length of the rectangle = (w + 4) in

Now, Perimeter = 56 in

Also, we know that

Perimeter of the Rectangle = 2 (Length +Width)

or, 2 (Length +Width) = 56

⇒ 2(w + 4 +w) = 56

or, 4w =56 -8

width  = 12 in

So, Length = w + 4 = 12 + 4 = 16 in

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3 years ago
In the diagram below, P is circumscribed about quadrilateral ABCD.
quester [9]
So:   A + C = 180°
X + 20° + 110° = 180°
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6 0
3 years ago
Read 2 more answers
A map of a town has no scale. You know that the distance between the bus stop and the park is 6 miles. On the map it is 3 inches
slamgirl [31]

As was the case in your previous question, this problem involves setting two ratios equal to each other. We call such an equation a proportion.

 

16 miles   =   x miles

(1/2) inch      2 3/4 inches

 

x = (11/4) * 16 = (11/4) * 2 * 16 = 88 miles

      (1/2)

7 0
3 years ago
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If y varies directly as z and inversely as x and y=16 and z=2 when x=42, find y when x=14 and z=8
drek231 [11]

Answer:

y = 192

Step-by-step explanation:

Given y varies directly as z and inversely as x then the equation relating them is

y = \frac{kx}{z} ← k is the constant of variation

To find k use the condition y = 16 and z = 2 when x = 42

k = \frac{yx}{z} = \frac{16(42)}{2} = 336

y = \frac{336z}{x} ← equation of variation

When x = 14 and z = 8, then

y = \frac{336(8)}{14} = 192

8 0
3 years ago
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