Shrinking Triangles

Algebra Level 1

31 3 \frac{31}{3} 32 3 \frac{32}{3} 43 4 \frac{43}{4} 41 4 \frac{41}{4}

Kumar Gupta by Kumar Gupta , 23, India

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2 solutions

Shahbaz Patel
Mar 13, 2014
  • S= 4x4/2 + 2x2/2 + 1x1/2 + ....
  • S= 8 + 2 + 1/2 + 1/8 + ...
  • S(infinity)=a/(1-r) ,here a=8, r=1/4
  • so, S=32/3
5 Helpful 0 Interesting 0 Brilliant 0 Confused

good ...one

Arun Yadav - 7 years, 2 months ago
Venture Hi
Mar 13, 2014

he answer is actually 10.625

0 Helpful 0 Interesting 0 Brilliant 0 Confused

rational of that is 32/3 :)

Shahbaz Patel - 7 years, 3 months ago

I thought it's 10. 6 ‾ 10.\overline{6} .

Damiann Mangan - 7 years, 3 months ago

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