Posted by Deepak on Sunday, March 7, 2010 at 12:10am.
Perimeter of a right angled trangle is 40 cm. Hypotenus is 17cm. Find the area.
Urgent help required. Thanks in advance

Geometry  Reiny, Sunday, March 7, 2010 at 12:40am
..which would leave 4017 or 23 as the sum of the other two legs
Let one leg be x, then the other is 23x
x^2 + (23x)^2 = 17^2
x^2 + 529  46x + x^2 = 289
2x^2  46x + 240 = 0
x^2  23x + 120 = 0
(x15)(x8) = 0
x = 15 or x = 8
if one leg is 15, the other is 2315 = 8 and vice versa.
Area = (1/2)base x height
= (1/2)(15)(8) = 60
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