16 it is a defined as the figure formed by two rays meeting at a common end point A ray B line segment C angles D plane _ _ 17 from the figure.if AB=14cm and BC=6cm what is AC =? A 21cm B 20cm C 18cm D 8cm 18 what is the measure of a right angle A 180° B 90° C 90° D 45° 19 20 21 from the figure .if DF=60cm and DE=8cm what is EF=? A 52cm B 68cm C 48cm D 50cm 22 from the figure .if GH=45cm and GI=90cm what is HI=? A 135cm B 50cm C 25cm D 45cm 23 from the figure if JL=140cm and JK=125cm what is KL=?