saraytrejo848 saraytrejo848

20-05-2021
Mathematics

contestada

I need help! I don't really understand.... Can someone help for these 2 questions?? Part A and B??

I need help I dont really understand Can someone help for these 2 questions Part A and B class=

Respuesta :

elaineandrei93 elaineandrei93

20-05-2021

Answer:

A. 6x + 4

B. 22 cm

Step-by-step explanation:

The perimeter of the triangle is equal to the sum of all the side lengths, which is (2x+3) + (x+1) + (3x), or 6x + 4.

When x = 3cm, the perimeter is 6(3) + 4, which is 22 cm.

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