#### Angle of Elevation and Depression Solved

How to determine height of a building, angle of elevation Question 1 A contractor measures the angle of elevation of the top […]

#### Solve Simultaneous Equations by Elimination Method

Steps Eliminate variable y to solve for x in the given equations. Use the coefficients of y from Eq.1 and Eq.2 as […]

#### Solve Quadratic Equations By Completing The Square Method

Solving quadratic equations by completing the square method is important and understanding it helps a lot. Completing the square x+a2=x2+2ax+a2 is the […]