Can someone plz help with thse gometry problems? urgent?

I hav to turn in these worksheets and i hqve a few problems i cant solve.. help would be apprciated... - three sides of a triangle measure 0.5, 0.6, and 0.8. two sides of a similar triangle meas 2 and 3.2. what is the length of the third side? - an eiffel tower mural is 2 meters high and 0.77 meters wiide. if the actual tower is 125 m wide, how tall is it to the nearest meter? - the ratio of the length of the arm of the old chqir to tht of a new chqir is 3:2. The arm of the old chair is 9 in. long. how mqny in. long will the arm of the new chair be? - a certqin kite has exactly one acute angle, and its meas is 16 degrees. wat is tne maximum whole number keas of the angle opp tht angle?