Question

Find the perimeter of these composite shapes, correct to two decimal places.
(please with step by step explanation)

Answer 1

Answer:

a) P = 2*(1,5+3,6) + 3,14*1,8 ≈ 15,9;

b) P = 2*(7,9*2) + 1,5*3,14*7,9 ≈ 68,8;

c) P = 4*0,3 + 3,14*0,15 ≈ 1,7;

d) P = 10*3,14 ≈ 31,4;

e) P = 2*(3,6+2,2) + 3,14*2,2 + 3,14*1,1 ≈ 61,7;

f) 12*4 - 4*(3*3,14) ≈ 10,32;