If PT and QT are two tangents drawn from an external point T if 1(P,T)=3.8cm then
find 1(Q,T)
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Lengths of the tangents drawn from an external point to a circle are equal.
∴QP=PT=3.8cm............(i)
PR=PT=3.8cm............(ii)
From equations (i) and (ii):
QP=PR=3.8cm
But, QR=QP+PR
∴QR=3.8+3.8
QR=7.6cm
Step-by-step explanation:
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