Work out the volume of the cone, giving your answer to 3 significant figures.
Volume of cone =
3.5 cm
12.5 cm
12 cm
cm

Use the diagonals to determine whether a parallelogram with vertices u(2,−2), v(9,−2), w(9,−6), and x(2,−6) is a rectangle, rhombus, or square. give all the names that apply.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm