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The area of a circle with the diameter of 3m is 7.069 m2
y = x2 + 2mx + n complete the square y + m2 = x2 + 2mx + m2 + n = (x + m)2 + n (x + m)2 = y + m2 - n x + m = √(y + m2 - n) x = -m + √(y + m2 - n)
About 167.2 m2
Incorrect. 1 m = 100 cm 1 m2 = (100 cm)2 = 10000 cm2
The square root of m2 - n2 cannot be simplified.