Question

if sides of a triangle are 32cm,24cm,40cm the semiperimeter is​

Answer 1

Step-by-step explanation:

Semi-perimeter = Half of total perimeter

Thus, (32+24+40)/2 = 96/2 = 48cm

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Answer 2

Given :-

First side of the triangle = 32 cm

Second side of the triangle = 24 cm

Third side of the triangle = 40 cm

To Find :-

The semi perimeter of the triangle.

Analysis :-

Firstly, we've to find the perimeter of the triangle by substituting the given values in the formula of perimeter of a triangle.

In order to find the semi perimeter, divide the perimeter which we got by two.

Solution :-

By the formula,

$\underline{\boxed{\sf Perimeter \ of \ a \ triangle=a+b+c}}$

Given that,

a = 32 cm

b = 24 cm

c = 40 cm

Substituting their values,

Perimeter = 32 + 24 + 40

Perimeter = 96 cm

Therefore, the perimeter of the triangle is 96 cm.

By the formula,

$\underline{\boxed{\sf Semi \ perimeter=\dfrac{Perimeter}{2} }}$

Given that,

Perimeter = 96 cm

Substituting their values,

Semi perimeter = 96/2

Semi perimeter = 48 cm

Therefore, the semi perimeter of the triangle is 48 cm.