The perimeter of an equilateral triangle is 138mm. State the length of one of its sides.
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Answered by
4
Step-by-step explanation:
perimeter of equilateral triangle =138
3a=138
a=48
Answered by
3
Answer:
Step-by-step explanation:
Perimeter=Sum of all sides
= As there are three sides,
=138/3
=46
therefore, each side is 46cm
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