Answers

EXERCISE

i. 20

ii. 135

iii. 35

iv. 60

v. 60

v. 5, 9 (The third side must be greater than 3 and less than 13.)

vii. 16

viii.

ix.

x. 12
xi. 10
xii. 25
xiii. 24
xiv. 24
xv. 75
xvi. 6
xvii. WX = 8, OX = 4
xviii.

xix. 4

xx.

xxi.

xxii. AB = 8, CD = 5, EF = 6