Question

the side of an equilateral triangle measures (x+5) cm. If its perimeter is 27 cm find the value of x​

Answer 1

Answer:

x be 4!!

Explanation :

ok listen

all sides are equal(y/n why?)

• so simply 3(x+5)= 27

• now, 3x=12

x=4!!!

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Answer 2

Answer:

side of a triangle = (x+5)

perimeter of a triangle = sum of all sides

perimeter of the given triangle = 27

(x+5) + (x+5) + (x+5) = 27

3x+15 = 27

3x = 27-15

3x = 12

x = 12/3

x = 4