Question

2
4. If the perimeter of a triangle is 6-cm
3
and the lengths of two of its sides are
1
2-cm and 3 - cm, find the length of
2
3
the third side.
21​

Answer 1

Perimeter of a triangle

= Sum of all the three sides

= AB + BC + AC

= 3 cm + 8 cm + 6 cm

= 17 cm