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CBSE Class 9 Answered

please solve my problem
Asked by ketagajjar | 14 Jun, 2009, 09:56: AM
answered-by-expert Expert Answer

draw AB =4.5 cm (why 4.5.? because it's 3.5 +1)

Now on AB mark point C such that BC=1(or AC=3.5)

With AB as diameter , draw a semicircle.

At C, construct a perpendicular to AB , meeting the semicircle at D.

 Then CD is the required length which is equal to square root of AB.

 

Answered by | 14 Jun, 2009, 06:25: PM

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