Question

If the sides of a triangle are 3cm , 4cm , 5cm . Then find the perimeter of triangle

Answer 1

$\huge{\bold{\boxed {\boxed {Answer:-}}}}$

Very Easy Question,

Given:Sides of triangle=$\bold{3\:cm,4\:cm\:and\: 5\:cm}$

We know that Perimeter is the length of boundary of any figure,i.e. Sum of length of sides

$\therefore$Perimeter=3cm+4cm+5cm

=12cm
Hence, Perineter is $\bold {\boxed {12cm}}$

❤hope it helps you ❤

#Be Brainly

Answer 2

Answer:

Perimeter of triangle is $12\ cm$ .

Step-by-step explanation:

To find : perimeter of triangle

Given : sides of a triangle are $3\ cm , 4\ cm , 5\ cm$

Solution:

• We know that, perimeter of triangle is sum of three side of triangle.
• If $\mathrm{a}, \mathrm{b}, \mathrm{c}$ are the sides of triangle then,

      Perimeter of triangle $=a+b+c$

• Here , $a =3 \ cm$ , $b = 4\ cm$ and $c = 5 \ cm$

• Therefore, perimeter of triangle $= 3 + 4 +5$

                                                             $= 12\ cm$