Question

the side of a triangle are 8.5 cm, 6.72 cm and 5.83 cm long. How many centimeters is it's perimeter.

Answer 1

Let sides are a = 8.5cm, b = 6.72cm, c = 5.83cm

Perimeter = a+b+c

= 8.5+6.72+5.83

=    21.02cm

Comments

Typo mistake in last line.

Perimeter is 21.05 cm.