nitya2166 nitya2166

12-12-2021
Mathematics

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The perimeter of the equilateral triangle drawn below is 9b + 12.

The shape below is made of four of these triangles.

Find a simplified expression for its perimeter.

The perimeter of the equilateral triangle drawn below is 9b 12 The shape below is made of four of these triangles Find a simplified expression for its perimeter class=

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7raag2bsan 7raag2bsan

12-12-2021

Not sure but 4(9b+12)= 36b+48

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DontEatBats DontEatBats

12-12-2021

An equilateral triangle has 3 equal sides
If the perimeter of a triangle is 9b+12 then one side equals 3b+4 (divide by 3 because there are 3 sides

In the big triangle there are 6 sides so multiply 3b+4 by 6
=18b+24

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