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question 4 and 7
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2×(l+b)=P
2×(35+b)=100
70+2b=100
2b=30
b=15
l×b=A
35×15=A
A=525
2×(l+b)=P
2×(35+b)=100
70+2b=100
2b=30
b=15
l×b=A
35×15=A
A=525
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sneha3892:
answer is 1050 not 10.50
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