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Answered by
1
ab×db
30×8
=249cm2
bc×de=249cm2
bc×12cm = 240cm2
BC= 249cm2 ÷ 12cm
= 20cm
Answered by
2
ab×db
30×8
=249cm2
bc×de=249cm2
bc×12cm = 240cm2
BC= 249cm2 ÷ 12cm
= 20cm
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