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Find the perimeter of each rectangle or square.(image cannot copy)...

Question

Find the perimeter of each rectangle or square.(image cannot copy)

Find the perimeter of each rectangle or square. (image cannot copy)



Answers

Find the perimeter of each rectangle or square. (image cannot copy)

Okay, so we're giving the length and the width of a rectangle. We need to find the perimeter in the area. So we're gonna find the area first. That's gonna be the easiest thing to do, since all we have to do is just multiply straight across so x, Times X is going to be X squared, and then it's gonna be over X plus four times X plus five. Now for the perimeter, we know that two sides are gonna be the length and two sides is gonna be the width. So I'm gonna multiply this by two just to make it easier. So it's gonna give us two x overexpose four and then two x over X plus five. Now we need to add these together so this we can cross multiply. So two x 22 X square plus to a 10 x plus two x squared plus eight X. All right, so that's going to give us a perimeter of four X squared plus 18 x so we can actually factor this a little bit more, So I'm just gonna move this All right. Now let's divide up to and an ex, so that gives us two x times two X plus non All right, so two X times two X plus Mom over X plus four Tom's X Plus five

For this problem were asked to find the perimeter and area of a rectangle and were given the dimensions of four feet in length by three feet in width. So four perimeter. If it's rectangle, that means that the sides, the opposite sides, are going to be parallel and they're going to be congruent. They're going to be the same. So if this scientist three feet, this side is also going to be three feet. If this site is four feet, this is also going to be or feet that's important to know for perimeter because or perimeter We're talking about adding, all of the sides were talking about the outside of the rectangle, So we're going to go ahead and add all of the sides, so I'm just gonna go around or plus three plus four Bus three. Okay, so four plus 377 plus four is 11 and 11 plus three is going to be 14. So that tells me that the perimeter of this rectangle is 14 feet now. Since perimeter is on dimensional, we're just talking about length. It's just going to be feet now. We also need to talk about area the area of the rectangle is going to be length, times width. We're just going to do for times three, and that's going to give me 12 now areas two dimensions, its length and width, and so and set up just feet. We're going to have feet squared for that two dimensions, all right, and I just want to point out for the perimeter one as well. You could have done two times the length, plus two times the width. So four times two is eight, three times to a 68 plus six is 14. Good job, great job.

Welcome. So we're going to find the perimeter and area of a rectangle. And for this particular rectangle, we have the dimensions of four feet in length, three feet in width. What we know about rectangles is there. Opposite sides are parallel, which means they will never touch. And they're also congruent, which means they are the same length or wick. So the opposite of the length here would be top, which is also when before, feet and the width on the other side is also going to be three feet for perimeter weaken dio twice the length plus twice the width. Or we could just add all of the sides. Perimeter is going to be that one dimensional going around the outside of the rectangle. Something to start here, maybe four plus three plus four plus three, some adding all of the sides to find the perimeter. The outside of this rectangle when we add up all the sides four plus three, a 77 plus board is 11 and 11 plus three is 14 so the perimeter of this rectangle is 14 and then feet is our unit. It's just going to be feet because we're just talking about one dimension is just the length around. The outside area, on the other hand, is going to be length, times width. So we're just going to take the length of four times the width of three and we get 12. Barry has two dimensions. Area is length and width. So instead of just feet when we square so the perimeter, we added all of the sides. We got 14 feet, one dimension for area of this rectangle. We did length, times, width and we got 12 feet squared. Great job.


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