Q10/ scale factor of polygon ABCD to polygon GHIJ = 11/5.5 = 2
Q11/ scale factor of polygon GHIJ to polygon ABCD = 1:2
Q12/ x = 8 × 2 = 16
y = 8 / 2 = 4
Q13/ ABCD ⇒ label x as 16, y as 4
GHIJ ⇒ label HI line to 5.5
Q14/ ratio = 46 : 23
= 2 : 1
hope this helps....