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The correct answer is B
What is the height of an equilateral triangle with a side length of 14√7 cm?
The inner-radius of a triangle is 5 cm, and the sum of lengths of its sides is 60 cm. What is the area of the triangle (in sq. cm.)?
What is the inradius of an equilateral triangle whose vertical height measures 12√3 cm?
The area of an equilateral triangle is 64√3 cm2. Find the radius of the circle that circumscribes the triangle.