Find the gradient, equations and intersections of medians, altitudes and perpendicular bisectors using our knowledge of the mid-point as well as parallel and perpendicular lines. Circles and ...

THIS work of Prof. Smith's has a “very practical purpose,” viz, “to present in simple and intelligible form a body of geometric doctrine, acquaintance with which may fairly be demanded of ...

The gradient of a straight line is how steep ... horizontal and vertical. Circle geometry Arc length is a fraction of circumference. Area of a sector is a fractions of the area of a circle.