Question

1. Find the perimeter of the following.
i. Triangle ABC in which AB = 9.3 cm, BC = 7 cm and CA = 5.1 cm
ii. Square of side 2.6 cm
ii. Rectangle of length 5 m and breadth 250 cm
iv. Regular pentagon of side 3.5 cm

pls help me​

Answer 1

perimeter =21.4 cm of triangle

perimeter =10.4cm of square

perimeter =15m or 1500 cm of rectangle

perimeter =17cm of pentagon