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anyone good with traingles?

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Step 1

The perimeter of a triangle is the sum of all the sides of triangles.

Length of each side of triangle A = 1.

And since the perimeter of triangle A is given 3 therefore, we can conclude that the triangle is an equilateral triangle.

Let M = 3.

Step 2

Now in triangle B, the smaller triangle is made by joining the midpoints of the sides of the triangle A. Therefore, the smaller triangle is also an equilateral triangle and the length of sides of the smaller triangle will be half of the sides of the triangle A i.e 1/2. Therefore, the perimeter of smaller triangle in B is 3 × 1/2 = 3/2.

Let this value be N. Therefore, N = 3/2.

Step 3

Now in triangle C, the 3 smaller triangles are made by joining the midpoints of the triangles with the length of side ½. Therefore, the length of the sides of the 3 smaller triangles will be ¼. Now perimeter of one smaller triangle will be 3...

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