Please solve question no.a. Share with your friends Share 0 Josepaul Paulachan answered this Dear Student 22 .a) Given ∠SRT =65°SP is tangent ∠TSR =90° ( The angle between radius and tangent is always 90°)Now in △SRT∠SRT +∠STR+∠TSR =180° (Angle sum property)65+ x+90 =180x =180-90-65 = 25°∠STR =x =25°NowThe angle subtended by an arc at the centre is double the angle subtended by it at any point on the remaining part of the circle Which gives∠y =2∠x∠y =2×25 =50°∠SOP =∠y =50°Now in △ SOP∠SOP +∠PSO+∠OPS =180° (Angle sum property)50+90+z =180z =180-90-50 = 40°∠OPS =z =40°Therefore x =25°y =50°z =40°Regards 0 View Full Answer