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The area of a regular hexagon is 150√ $3 cm^{2}$ . What is its perimeter?

Competition practiceGeometry

A60 cm
B30 cm
C50 cm
D90 cm

Step-by-Step Solution

Area

= \frac{3 3}{2} a^{2} = 1503

gives

a^{2} = 100

, so

a = 10

cm and the perimeter is 60 cm.

Answer: A) 60 cm

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