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# AS core 1 maths Chapter 12 watch

1. Does anyone know how to answer this question using a differentiation method,
The sum of the two shorter sides of a right angled triangle is 18cm, calculate....
A) the least possible length of the hypotenuse
B) the greatest possible area
The book that it is in has the isbn of 9780521548960 and the answer in the back is A) 9 root 2 and B) 40.5 cm^2
2. Sorry you've not had any responses about this. Are you sure you’ve posted in the right place? Posting in the specific Study Help forum should help get responses.

I'm going to quote in Tank Girl now so she can move your thread to the right place if it's needed.

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