# The perimeter of

It is given in the question that,

Perimeter of right triangle = 60 cm

Also, Hypotenuse of right triangle = 25 cm

We know that, perimeter = a + b + c a + b + c = 60

a + b + 25 = 60

a + b = 60 – 25

a + b = 35 (i)

Now, in triangle ACB by using Pythagoras theorem we have:

AC2 + BC2 = AB2

b2 + a2 = 625 (ii)

a + b = 35 [From (i)]

Now, by squaring both sides we get:

(a + b)2 = (35)2

a2 + b2 + 2ab = 1225

2ab = 1225 – 625 [From (ii)]

ab = 300 (iii)

Now, we know that area of triangle =    Rate this question :

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