in the example 1 the triangle the question says 5 cm and the final answer of the example has 4 cm (the 4 is supposed to be 5 cm )am i right?

 

Hi!
 
Thanks for pointing out the errors! In the question and the solution of the said example 5 cm should be corrected as 4 cm. There is no change to the graphical part of the solution. This error will be corrected very soon. Till then do bear with us! We regret the inconvenience caused by this lapse on our part. Your feedback and suggestions are extremely valuable to us. 
 
Cheers!

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