Area Problems
The ratio of the radii of two circle is 1:3 the radio of their areas is?

1:9
1:6
1:3
None of these

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Area Problems
Area of a square and a rectangle are equal. If side of the square is 40 cm and length of the rectangle is 64 cm, what is the perimeter of the rectangle ?

187 cm
194 cm
149 cm
178 cm

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