Question

what is side of equilateral triangle whose perimeter is 20 whole by 3 by 7​

Answer 1

Answer:

$\frac{143}{21} = x$

Step-by-step explanation:

perimeter of equilateral triangle = sum of all sides

20$\frac{3}{7}$ = x+x+x

= $\frac{143}{7}$ = 3x

= $\frac{143}{7 X3}$ = x

= $\frac{143}{21}$ = x

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Answer 2

Answer:

143/23 is the correct one

Step-by-step explanation:

perimeter of a equilateral∆is = let it be 3x

acq,

3x= 20 whole by 3 by 7

or,. 3x= 143/7

or,. x = 143/7×1/3

or,. x = 143/23

this is the correct answer.

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