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What is the perimeter of this equilateral triangle?
Choices
4
20
40
60

What Is The Perimeter Of This Equilateral Triangle Choices 4 20 40 60 class=

Sagot :

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Answer:

60

Step-by-step explanation:

If it is an equilateral triangle the sides are equal

24-x = 5x

Add x to each side

24-x+x = 5x+x

24 =6x

Divide by 6

24/6 =6x/6

4 =x

Each side is 5x or 5*4 = 20

Add the 3 equal sides

20+20+20 = 60

The perimeter is 60

Answer:

60

Step-by-step explanation:

In this case, to find the perimeter, we need to know the value of at least one side.

Since this triangle is equilateral, [tex]5x=24-x[/tex].

Adding x to both sides results in [tex]6x=24[/tex], and subsequently, [tex]x=4.[/tex]

Now that we know x equals 4, we can plug this into either 5x or 24-x and find out that one of the sides is 20.

Equilateral triangles have three equal sides, so 20 times 3, or 60, is the perimeter. I hope this helped!

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