Question

ABCD is llgm AD equal to 5cm .If Perimeter of llgm is 16cm then DC =?
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Answer 1

Answer:

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perimeter of ||gm=2(b+h)

=>16=2(AD+DC)

=>16÷2=5+DC

=>8-5=DC

Hence,DC=3cm.

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Answer 2

Answer:

3 cm is correct answer......