Question

find the perimeter of the following figure in traingle 3 cm​

Answer 1

perimeter of triangle = A+ B+ C

= 2+3+4

= 9cm.

2. perimeter of equilateral triangle = 3a

= 3× 8

= 24cm

3. perimeter of isosceles triangle = 2 × equal side

+ third side

= 2×10+7

= 20+7=27cm