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3 years ago

If two rectangles have the same perimeter, do they have to be congruent? Explain how you know.

Mathematics

2 answers:

ikadub [295]3 years ago

6 0

Answer:

Step-by-step explanation:

Take square 4 X 4. Perimeter =16

Take rectangle h2 X w6. Perimeter =16

Clearly the same perimeter and not congruent

but this is just what I think

Marat540 [252]3 years ago

6 0

Answer:

Step-by-step explanation:

Suppose one of them is a perimeter of 24

P = 1 + 1 + 11 + 11

P = 24

The second one has these dimensions

P = 4 + 4 + 8 + 8

P = 24

Do they look like they could be congruent to you? The first one looks long and narrow.

The second one looks like it's heading to be a square. (It's not of course, but it is closer than the long narrow one).

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Solve for x. 3x/x+4<br> + 1= 4/x+4

Westkost [7]

Answer: X = 1

Step-by-step explanation:

3 x $\frac{x}{x}$ + 4 + 1 = $\frac{4}{x}$ + 4

First, you would want to cancel out the equal terms, in this case its the +4's

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I would also change the $\frac{x}{x}$ into a 1

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Now multiply and add

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divide both sides by 4

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Step-by-step explanation:

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