Find the given angles

Find the given angles IXI Maths Q 18 _ In the adjoining figure. AB is a diameter of a circle with centre O', If LPAB 550, zPBQ = 250 and z-A13R = 500, then find .ZPBA, and zllAR. 550 .250 Q 19. A metallic sphere of radius 4.9 cm, If the density of the metal is 8.2g/cm3. Find the mass of the s$„ese. SECTION — D (Question numbers 20 to 28 carry 4 marks each) Q. 20 Draw histogram of the following data. C.I 3-5 12 7-10 10-15 15-17 10 onstructa A ABC having perimeter 12 cm and LB = 300, LC 600. Q. 22. A solid cylinder total surface area of 462 cm2, its curved surface area is one-third of its total surfac 22 Find the volume of cylinder. m = — . 2019-2-20 13:29 the followinq figure.