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21-04-2020
Mathematics

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20 POINTS If the perimeter of a triangle is 14.4. What is the area?

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Аноним Аноним

21-04-2020

Answer:

A = 9.9648

Step-by-step explanation:

if the triangle is equilateral =>

P = 3L => L = 14.4/3 = 4.8

A = L²√3/4

= (4.8)²√3/4

= 23.04√3/4

= 5.76×1.73

= 9.9648

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