Question

3. Find the perimeter of each of the following
(i) A triangle of sides 3cm, 4cm and 5cm.
(ii) An equilateral of side 9cm.
(iii) An isosceles triangle with equal sides of 8cm each and the third side 6cm​

Answer 1

Step-by-step explanation:

perimeter of triangle = sum of all sides .

1.perimeter of triangle = 3+4+5= 12 cm

2.perimeter of equilateral triangle = 9+9+9 = 27 cm

3.perimeter of isosceles triangle = 8+8+6 = 22 cm

Answer 2

1. perimeter of triangle= sum of all sides . = 3+4+5= 12cm.

2 . perimeter of equilateral triangle = 3× side = 3×9= 27 cm.

3. perimeter = (2×8)+6= 22cm.

I hope It will help you