An important topic from Algebra is that of intersecting lines. Equations can be written representing lines on graph paper, and Algebra, especially Linear Algebra, helps find points that are contained ...

Parallel lines are indicated by arrows going in the same direction. Parallel lines are indicated by arrows going in the same direction. If there is more than one set of parallel lines in a diagram, ...

Depicted above are two intersecting tangent lines and two tangent circles. The tangent lines intersect at an angle θ = 142.9505685722O. The smaller circle has an area of 400 square meters. Find the ...