What is the length of RT with bar on top when RM = 7 cm, OS = 6 cm, and OP = 4 cm? Round to the nearest tenth of a centimeter.

http://static.k12.com/calms_media/media/1579000_1579500/1579258/1/6b431328264c596c85bd541f79dc9087f5eb4d32/MS_IMC-150123-1306012.jpg

Question

What is the length of RT with bar on top when RM = 7 cm, OS = 6 cm, and OP = 4 cm? Round to the nearest tenth of a centimeter.

http://static.k12.com/calms_media/media/1579000_1579500/1579258/1/6b431328264c596c85bd541f79dc9087f5eb4d32/MS_IMC-150123-1306012.jpg

anonymous · Answer

If os is 6, mt is 3. So now you have to use pythagoras
7^2+3^2=x^2
49+9=x^2
X^2=58
X=7.615 cm