A cylinder with base radius of 8 cm and height of 2 cm is melted to form a cone of height 6 cm. Find the radius of the cone?
A4 cm
B6 cm
C8 cm
D5 cm
A4 cm
B6 cm
C8 cm
D5 cm
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The base of a triangle is equal to the perimeter of a square whose diagonal is cm, and its height is equal to the side of a square whose area is 144 cm2. The area of the triangle (in cm2) is: