how many diagnals does an octagon have?

find the ara of a regular octagon inscribed in a circle with a radius of 1 cm.

find the are of a regular octagon whose sides are 12cm long.

The interior angles of an octagon are 2x, 1/2x, (x + 40)°, 110°, 135°, 160°, (2x + 10)° and 185°. Fi...

The exterior angles of an octagon are 2x degrees,half x degrees,(x+40 degrees),110 degrees,135 degre...

the interior angles of an octagon are 2,1/x,(x*40),110,135,160,(2x+10) and 185.find the value of x

emily made a sketch of an octagonal windowpane on a 27 cm square piece of paper. First she cut four...

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