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OLga [1]
3 years ago
6

PLEASE HELP ASAP

Mathematics
1 answer:
icang [17]3 years ago
8 0

a) Rectangles are similar

b) 1 : 9

c) No volume

Step-by-step explanation:

Step 1 :

Given

The length and width of rectangle1 is x and y

The length and width of rectangle2 is kx and ky

Step 2 :

a)

2 rectangles are similar when the sides of the rectangles are proportional

Since here we have the sides of rectangle 2 obtained by multiplying each  side of the first rectangle by a non zero constant term , the 2 given rectangles are proportional

Step 3 :

b)

Area of rectangle1 is x * y

Area of rectangle is 3x * 3y = 9xy (given k = 3)

Ratio of the areas is xy : 9 xy = 1 : 9

Step 3 :

Given k = 2

There is no volume for a 2 dimensional figure

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4 0
3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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dolphi86 [110]

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3 years ago
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harkovskaia [24]
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8 0
4 years ago
The lengths of three sides of a quadrilateral are shown below:
pentagon [3]
In part A, we need to solve for the total length of sides 1, 2 and 3.
Since all three sides measurements are given, we have the solution below:
Sides123 = Side 1 + Side 2 + Side 3
Sides123 = (3y² + 2y - 6) + (4y² + 3y -7) + (5y² + 4y -8)
Sides123 = 12y² + 9y - 21
This is the total length of sides 1,2 and 3 "12y² + 9y - 21"

In part B, we need to solve for the length of the fourth side and the solution is shown below:
Side 4 = Perimeter / Sides123
Side 4 = (4y³ + 18y² + 16y -26) / 12y² + 9y -21
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3 years ago
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