Nellie weighs 900 newtons and is hanging from a bar suspended in the air. What is the tension in each situation below.

What is the approximate total length of iron edging needed to create the square frame and the two diagonals?

Measures of the angle of r, 31 s (x+4) t (3x+9)

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet