Question

find the area of a triangle two sides of which are 5cm and 3cm and perimeter is 12cm
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Answer 1

Answer:

Let assume third side be x

Now

5 + 4 + x = 12

X = 12 - 8

X = 4 cm

Now triangle is right angle triangle

Area of triangle = 1/2*4*3

= 6 cm square

Step-by-step explanation:

5

Answer 2

let the third side be =x

so 5+3+x=12

x=4

after that

area of triangle =1/2xbase x height

=1/2 x 3 x 4

= 6cm^2

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