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In the following figure, seg DHbotseg EF...

In the following figure, seg DH`bot`seg EF and seg GK`bot`EF. If DH = 6 cm, GK = 10 cm and `A(DeltaDEF)` = 150`cm^2`, then find:
(i) EF
(ii) A`(DeltaGEF)`
(iii) `A(squareDFGE)`

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The correct Answer is:
50 cm ii. 250 `cm^2` iii. 400`cm^2`
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