The sides of 14 square's are 11 cm, 12 cm, 13 cm,.......... 24 cm, then find the total area of 14 squares.
Answers
Answered by
5
Use the formula for sum of squares of first n natural numbers:
Sn=n(n+1)(2n+1)/6
S24-S11= required
=>S24= 4900
=>S11=506
Ans=4900-506=4394
HAS53:
the answer is 4515
Answered by
9
area of a square=(length²)
therefore,
area of all squares=11²+12²+13²+14²+15²+16²+17²+18²+19²+20²+21²+22²+23²+24²
=121+144+169+196+256+289+324+361+400+441+484+529+576
=4290
thats your answer
HOPE IT WILL HELP YOU:)
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