A hoop is resting vertically at staircase as shown in the diagram. AB= – McqOptions

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1.	A hoop is resting vertically at staircase as shown in the diagram. AB=12 cm and BC=8 cm. The radius of the hoop is _____.
A.	13 cm
B.	\[\text{12}\sqrt{2}\,\,cm\]
C.	14 cm
D.	\[\text{13}\sqrt{2}\,\,cm\]
Answer» B. \[\text{12}\sqrt{2}\,\,cm\]

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