OP is perpendicular to MN and MN=24 radius=20cm find distance OP
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OP divides MN to two equal parts ,
PN=MP=24/2=12cm
by Pythagoras theorem,
ON² = OP²+PN²
20²= OP²+12²
400 = OP²+144
OP²= 400-144
OP² = 256
OP = v256
Taking square root,
OP = 16cm
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