What is the perimeter of triangle ABC

1 answer:

7 0

Well since we don't know the measurements of said triangle, I can only give you the formula for perimeter of a triangle.

Add each side length together to get the perimeter. For example, say we have a triangle with the side lengths 8, 9, and 3. To find the perimeter of this triangle, add each side length together.

8 + 9 + 3 = 20

The perimeter would be 20, or the sum of the given sides.

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The area of a rectangle is 30+12x what are 3 possibilities for the length and width of the rectangle

Stolb23 [73]

In order to find the three possibilities, you must first think of common factors between 30 and 12:

Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30

Factors of 12: 1, 2, 3, 4, 6, 12

We can find three common factors between the two numbers: 2, 3, and 6. So these are three widths that we can use. The length can be found by factoring out the numbers from 30+12x (we can't factor out x):

30+12x=2(15+6x) Width: 2 Length: 15+6x

20+12x=3(10+4x) Width: 3 Length: 10+4x

20+12x=6(5+2x) Width: 6 Length: 5+2x

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