4.1 Determine the length of rod he would need in metres for: 4.1.1 the semi-circular sections Circumference of circle = 2πr Use π = 3,142. (2) 4.1.2 the rectangular sides 4.1.3 the cross beams.
4.2 Determine the total length of iron he would require in metres 4.3 If he can buy these rods in lengths of 3m each ,how many will he need ? 4.4 Determine the area that his construction would occupy in square metres ​