4.IN the giyen fgure, AD BC and angleADC angleBCD, Prove that AC-BD.

Which expression is equivalent to 5r6141 2r+st6

Which equation represents the partial sum of the geometric series?

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