Question

Find the area of the triangle whose lengths of sodes are 7 m,24m,25m, use heron's formula ​

Answer 1

here is your ans.

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Answer 2

Solution:-

Let the sides of the Triangle be a , b and c.

a = 7m

b = 24m

c = 25m.

Now,

s = ( a + b + c)/2

=) s = ( 7 + 24 + 25)/2

=) s = 56/2

=) s = 28.

Area of Triangle = √[ s(s-a)(s-b)(s-c)]

=) Area = √[ 28 ( 28-7)(28-24)(28-25)]

=) Area= √[ 28 × 21 × 4 × 3]

=) Area = √[ 7 × 4 × 7 × 3 × 4 × 3]

=) Area = 7 × 4 × 3

=) Area = 84 sq. units.