Question

T o of them.
9. Furniture Surface Area A table in an
art room has the shape of a regular
octagon. You and your friend want to
find the area of the top of the table.
Decompose the top of the table into
eight matching triangles. What is the
area of the top of the table?
14.49 in.
12 in.

Answer 1

Answer:

Area=681.6 sq in

Step-by-step explanation:

Split Octagon into 8 equal Isosceles Triangles.

Height=14.49 in

Side =12 in

Area = ½ × base × height

$A=\frac{1}{2}*12*14.49\\ =85.2$

Total Area

$=8*85.2\\=681.6$