Question

B
1
1
In AACF, side CF is produced to B.
- Zv=A+Z3 [ext. Z=sum of int. opp. 4.
Th AAED, side ED is produced to B.
- - = 1
From (i) and (i), we have
A+Zx+Zy=1+23+24
= 2+2y=Z3+24
=223 1: 24=Z3, angles in the same segment]
= 22 [+ ZAOB=2ZACB]-
Hence, 2x + Zy = /z.​

Answer 1

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