A rangoli has been drawn on the floor of a house. ABCD and PQRS both are in the shape of a rhombus. Find the radius of semi-circle drawn on each side of rhombus ABCD.
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PO=2+2=4
OB=2+1=3
IN ABO by pyth theorm
AB^2=OB^2+AO^2
=>9+16
=>25
AB=5
radius =5/2=2.5
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