Math, asked by f1driverbacon, 3 days ago

On Actual measurement A = 10 B = 7

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Answered by arakala

1

a=10cm,b=7cm

(a+b)=(10+7)=17cm

a×a=10×10=100

b×b=7×7=49 , ab=10×7=70 , 2ab=2×10×7=140

finally substitute the values in above equation

we will get the answer that is

100+140+49=289

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