Question

3. In a AABC, angle BAC = 90°. If BC = 25cm, then what is
tength of the median AD?
(a)10 cm (b)24 cm (c)14.5 cm (d)12.5 cm
4. A chord of the larger among two concentric circles is of
length 10 cm and it is tangent to the smaller circle. What is the
area (in cm) of the annular portion between the two circles?
fa)5T
(b) 5TT/2
(c)251 (d)10TT​

Answer 1

Answer:

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