A solid oblique pyramid has an equilateral triangle as a base with an edge length of 4StartRoot 3 EndRoot cm and an area of 12StartRoot 3 EndRoot cm2.

The hypotenuse of an isosceles right triangle is $14\sqrt 2$. what is the area of the triangle?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect