1. Find the sum to (a) 8 terms of 3 + 6 + 12 + .
(b) n terms of 27/8+9/4+3/2+.
note(u can do only that was desplayed bybthe attachment

You have 2 sides that are 2 cms and you have 6 sides that are 1/2 cm and you have 4 sides that are 1 cm. the smallest sides are 1/2 the medium sized sides are 1 and the smallest are 1/2. so to find the perimeter you have to add them all up together so your answer will be 11 cm's