Question

The side of a triangle are in the ratio 5:12:13 and its perimeter is150m. find the area of the triangle

Answer 1

Answer:25 degree,60 degree,65 degree

Step-by-step explanation:

We know that the primeter of triangle is =sum of all sides

Let each side be x

5x+12x+13x=150 degree

30x=150

x=150/30

x=5

which means 5x=5 x 5=25 degree

                     12x= 12 x 5=60 degree

                     13x=13 x 5=65 degree

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Answer 2

Answer:

750m is the answer

Step-by-step explanation:

Let it be 'x'

So we get the sides as:-

5x

12x

13x

Also sum of all sides is perimeter

5x+12x+13x=150

30x = 150

x=5

So we get the sides

25m

60m

65m

Area of a triangle =

$\sqrt{s(s - a)(s - b)(s - c)}$

and,

s= semiperimeter = 25+60+65/2

s=75m

area =

$\sqrt{75(75 - 25)(75 - 65)(75 - 60)}$

$\sqrt{75 \times 50 \times 10 \times 15}$

$\sqrt{562500}$

750m

Therefore,

Area of = 750m

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