120 cm
B
(b)
А
40 cm
20 cm
100 cm
7 cm
D
F
E
120 cm
40 cm
C С
Answers
Answered by
1
REF.image
To prove : AB×EF=AD×EC
⇒
EC
AB
=
EF
AD
Proof :
Attachments:
Answered by
6
Answer:
so sorry I don't know this question was not my standards so sorry
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