Question

is the length of third side?
Find the perimeter of each of the following shapes:
0 A triangle of sides 3 cm, 4 cm and 5 cm
(1) An equilateral triangle of side 9 cm
An isosceles triangle with equal sides 8 cm each and third side o
VI CLASS MATHEMATICS​

Answer 1

Answer:

1, 60 cm.2, 72cm i hope the helped full

Answer 2

Answer:

1. 12 cm

2.27 cm

3.i cannot figure out what is the third side.

Step-by-step explanation:

1.perimeter of scalene triangle=sum of all sides

=3+4+5=12cm

2.perimeter of equilateral triangle=3×side

=3×9=27cm