Technical Graphics - Exam Papers - HL - 2011
The figure shows the design of a logo for a bird sanctuary.
The curve ABC is a parabola with vertex at B. The curve DEG is a semi-ellipse and point P is a point on the curve. Determine the length of the minor axis and draw the semi-ellipse DEG.
The curve RS, with its vertex at R, is identical to a portion of the parabola ABC.
Draw the curve RS showing clearly how to determine point S.
The line AT is a tangent to the circle from A.
Complete the given logo showing clearly all construction lines and points of contact.
Note: Choose your own dimensions for the eye of the bird.