abcd is a parallelogram DE |_ ab and df |_ bc. if ab = 30cm, de=8cm and df=12cm, find bc.
tmullagurip29jxy:
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Answered by
60
Answer:
Taking DE
Area of parallelogram=DE×AB
=8×30
=240cm²
Taking DF
Area of parallelogram=DF×BC
=> 240 =12×BC
=>BC=20cm
Answered by
7
Step-by-step explanation:
Taking DE
Area of parallelogram=DE×AB
=8×30
=240cm²
Taking DF
Area of parallelogram=DF×BC
=> 240 =12×BC
=>BC=20cm
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