If the radius of a circle is increased by 50 per cent. Its area is increased by:
A. 125 per cent
B. 100 per cent
C. 75 per cent
D. 50 per cent
Answer:A
If the radius of a circle is increased by 50 per cent. Its area is increased by:
A. 125 per cent B. 100 per cent C. 75 per cent D. 50 per cent