the tangent from the circle with centre o touches the circle PA at point A if op=85 cm find the diameter of the circle
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Step-by-step explanation:
As given,
Here,
PQ=24 cm
OQ=25 cm
we know that PQ⊥OP
therefore from pythagoras theorem,
OQ2=OP2+PQ2
252=r2+242
r=252−242
r=7 cm
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