Question

PLZZ answer number 4 I will give you 100 pointd for andwring both parts

Answer 1

i don't understand

Explanation:

Answer 2

a)

there are total 3 diffrent shades

because

(i) A = C = 1/2 so one shade

(ii) B=D =F = 2/3 so one shade

(iii) E = 5/8 one shade

so total 3 different shade

b )

(i) y = 1/2 b

(ii) y = (2/3) b

(iii) y = 5/8 b