From a tower on a straight road, the angles of depression of two cars at an instant are 30° and 60°. If the cars are 50 m apart, find the height of the tower.
From a point PP outside a circle with center OO, tangents PAPA and PBPB are drawn to the circle. The line segment formed by joining the points A and B intersect the line segment OP at M. What is the measure of ∠AMP ?
Mongkut made a bird-bath for his garden in the shape of a cylinder with a hemispherical depression at one end. If the height of the cylinder is 166 cm and its radius is 73 cm. Choose the correct total surface area of the bird-bath. (Take π = 22/7)