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Mathematics, 25.04.2021 15:50 Daisysolis5191

The figure shows two circles centred at O and P respectively. AB is the common tangent to both circles at T.
(a) Show that OTP is a straight line.
(b) Suppose that ZTOB = ZTAP, AT = BT = 6 cm and the radius of the
smaller circle is 4 cm. By considering triangle OAT and triangle BPT, find OB.​


The figure shows two circles centred at O and P respectively. AB is the common tangent to both ci

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