The height is 12 feet. The length is 15 feet. The hypotenuse is 20 feet. Which is true regarding the triangular frame?
It is an acute triangle. About 0.8 foot needs to be removed from the 20-foot board to create a right triangle.
It is an obtuse triangle. About 0.8 foot needs to be removed from the 20-foot board to create a right triangle.
It is an acute triangle. About 7 feet need to be removed from the 20-foot board to create a right triangle.
It is an obtuse triangle. About 7 feet need to be removed from the 20-foot board to create a right triangle.