Question

The lengths of three sides of a triangle are
$2 \frac{1}{10}cm.4 \frac{3}{12}cm.3 \frac{2}{9} cm$
What is the perimeter of the triangle?
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Answer 1

Step-by-step explanation:

Let,

ABC is a triangle in which,

AB = 21 /10 = 2.1

BC= 51/12 = 4.25

AC= 29 / 9 = 3.22

perimeter of triangle = AB + BC + AC

= 2.1 + 4.25 + 3.22

= 9.57 cm