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Nataly [62]
3 years ago
11

Similar Figures congruent - exactly the same : I need the answer I don’t understand it

Mathematics
2 answers:
sweet [91]3 years ago
5 0
This doesn’t really make sense to me. Can you rephrase it?
Volgvan3 years ago
4 0
What are you asking?
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The perimeter of the rectangle below is 176 units. Find the length of side QR.
Irina18 [472]

Answer:

QR = 48 units

Step-by-step explanation:

in a rectangle, opposite sides are equal

so QR = PS and QP = RS

also we know that the sum of all sides is the perimeter, which is 176

we can set up this equation:

2(5z - 2) + 2(4z) = 176

10z - 4 + 8z = 176

18z - 4 = 176

18z = 180

z = 10

QR = 5z - 2

we can substitute 10 for 'z' to get:

5(10) - 2 = 50 - 2 or 48

Check:

2(48) + 2(40) = 176

96 + 80 = 176

176 = 176

4 0
3 years ago
A circle has a square etched inside of it, with the endpoints of the square touching the circle. if the circle has a radius of 1
ch4aika [34]
First, illustrate the problem by drawing a square inside a circle as shown in the first picture. Connect each corner of the square to the center of the circle. Since the square is inscribed in the circle, they have the same center points. Each segment drawn to the corners is a radius of the circle measuring 1 unit. Also, a square has equal sides. So, the angle made between those segments are equal. You can determine each angle by dividing the whole revolution into 4. Thus, each point is 360°/4 = 90°.

Next, cut a portion of one triangle from the circle as shown in the second picture. Since one of the angles is 90°, this is a right triangle with s as the hypotenuse. Applying the pythagorean theorem,

s = √(1²+1²) = √2

So each side of the square is √2 units. The area of the square is, therefore,

A = s² = (√2)² = 2

The area of the square is 2 square units.

8 0
3 years ago
*in a science experiment, farah mixed a salt solution and vinegar in the ratio 3 : 7. a. if she used 262.8 milliliters of salt s
Basile [38]

n a science experiment, farah mixed a salt solution and vinegar in the ratio 3 : 7.

A.) if she used 262.8 milliliters of salt solution, the amount of vinegar is equal to:

X = 262.8 ml ( 7 ml vinegar/ 3 ml salt soln)

X =  613.2 ml vinergar

B.) y = 0.56 L vinegar ( 3 L salt soln/ 7 L vinegar)

Y = 0.24 L salt soln

7 0
3 years ago
Deborah playlist on her mp3 player had a variety of songs on it. She had 21 country songs, 18 alternative songs, 16 pop songs, a
EastWind [94]
She has 73 songs total on her mp3
4 0
3 years ago
Um would someone help please? Only 34 and 38​
Anni [7]

Answer:

The number of students in order from least to greatest is 14<24<27<54

Step-by-step explanation:

Total students = 150

16% students play soccer

No. of students play soccer = 

9/25 play basketball

No. of students play basketball = 

 play football

No. of students play football = 

No. of students do not play anything = 14

The number of students in order from least to greatest is 14<24<27<54

7 0
3 years ago
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