Answer:
We know that, an equilateral triangle has equal sides, So, all sides are equal to a.
Perimeter of triangle [given]
(1/2)
[] (1)
Area of an equilateral triangle
(1/2)
(1)
Message 'SCHOOL AHEAD' given by a traffic signal board tells to all vehicles is that drive slowly because students are entre in the school. Also, some students get down from the bus, so drive carefully to stop any kind of accidential case. (1)
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