the perimeter of an equilateral triangle is 6 cm less than 42cm.
what is the length of side?
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Answer:
12cm
Step-by-step explanation:
As sides of equilateral triangle are same so let the sides be x perimeter is sum of sides so perimeter=x+x+x as all sides are equal now perimeter is given 6cm less than 42 cm means
42-6cm=36cm
36cm=3x
x=36/3=12cm
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