GRE exam question

If the radius of a circle is decreased by 50%, find the percentage decrease in its area. A) 55% B) 65% C) 75% D) 85%

  • Sweety
  • 12 जुलाई
  • 5493 दृश्य
  • 47 उत्तर
Your Answer

Let original radius = R.
New radius = = 
Original area =  and new area = 
Decrease in area =  = 75%

14

  • tyfh rhhtf guy CV hhg

  • nice 2

  • nice

blue अन्य संबंधित चर्चाएं
gre
मॉक परीक्षण अभ्यास के लिए
gre
मॉक टेस्ट ले forward