70 likes | 207 Views
An Area Problem. An Investigation. An Area Problem. A farmer has 320m of fencing. He wishes to use this fencing to enclose a small part of his large field for his sheep and gives some thought to the shape designs below.
E N D
An Area Problem An Investigation
An Area Problem. A farmer has 320m of fencing. He wishes to use this fencing to enclose a small part of his large field for his sheep and gives some thought to the shape designs below. a) Square area b) Rectangular area.
c) Regular pentagon d) Hexagon e) Regular octagon f) Circular field
f) Quarter circle field g) Parallelogram shape For each shape carry out an investigation and see if you can determine the ‘largest possible’ area in each case. Record your results in the table below. Is there another shape which might give a bigger area with the 320m of fencing available?
Solution Square - 6400 Rectangle – 6400 Pentagon – 7040 Hexagon – 7380.8 Octagon – 7728 Circle - 8148.7 Quarter Circle – 6307.7 Parallelogram – 6400.