Subject :IMO Class : Class 5
Subject :IMO Class : Class 8
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Subject :IMO Class : Class 9
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Subject :IMO Class : Class 7
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Subject :IMO Class : Class 7
Ans 1:
Class :
FIRST MAKE THAT SIMILAR 4 TRAINGLES INSIDE A RECTANGLE
WHOSE TOTAL AREA IS 28 CM SQUARE
NOW WE ARE LEFT WITH FOUR EQUALITERAL TRAINGLES ARE OF WHOSE ONE IS
1/2*L/2*B/2=LB/8
FOR FOUR TRAINGLES TOTAL AREA =4*LB/8=LB/2
NOW
LB=LB/2+28
LB/2=28
LB=56 CM SQAURE
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Subject :IMO Class : Class 6
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Subject :IMO Class : Class 3
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Subject :IMO Class : Class 3
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Subject :IMO Class : Class 4
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Subject :IMO Class : Class 4