suppose the enlargement has an area of 30 square centimetres then what is the enlargement scale factor​

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

Abcd is a square. what is the measure of angle bac