6.Find the semi perimeter of the given triangle. a).15m b) 16m c) 17m d) 10m
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Answer:
. For an equilateral triangle with side ‘a’, area
∴ Each side of the triangle = a cm
∴ a + a + a = 180 cm
⇒ 3a = 180 cm
Now, s = Semi–perimeter
∴ Area of a triangle
∴ Area of the given triangle
Thus, the area of the given triangle
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Answer:
15m
Step-by-step explanation:
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