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#20693

area

geometry

hard

240 sec

Calculator OK

A rectangle is inscribed in a circle, such that each vertex of the rectangle lies on the circumference of the circle. The ratio of the lengths of the sides of the rectangle is $3 : 4$ . The area of the rectangle is $1, 200$ square units. What is the length, in units, of the diameter of the circle?

• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-).
• Fractions must be in lowest terms.
• Mixed numbers must be converted to improper fractions.