Q. No 15 is to be answered by experts y,veiVTlgure, the radii of two concentric circles are 13 cm and 8 cm. AB is
diameter of the bigger circle. BD is the tangent to the smaller circle touching it at
D. Find the length AD.
15.
& Q are centres of circles of radii 9 cm and 2 cm respectively. 17cm. R is
e centre the circle of radius x cm which touches the above Circle externally.
Gwen that angle PRO is 900. Write an equation in x and solve it.
16. Draw a triangle ABC in which AB=5cm. BC=6cm and angle ABC —600. Construct
a triangle whose sides are 5/7 times the corresponding sides of triangle ABC.
17 -One card is drawn from a well shuffled deck of 52 cards. Find the probability Of
getting (a) Non taco card. (b) Black king or a Red queen. (c) Spade card.
18. Find the area of shaded region shown in the given figure where a drcular arc of
radius 6 crn has been drawn with vertex O of an equilateral triangle OAB of side
12 ctn as centre.
