Find the volume of the figure
The sketch is the curve of y = ax2 + bx + c. Find a, b and c respectively
In the figure, TSP = 100° and PRQ = 20°. Find PQR.
In the figure, PQR is a semicircle while PQ and QR are chords. QS is the perpendicular from Q to the diameter PR. What is the expression for QS?