You have given an equal sided triangle with side length a. A straight line connects the center of the bottom side to the border of the triangle with an angle of x. Derive an expression for the enclosed area A(x) with respect to the angle
A single lane street 12ft wide goes through a semicircular tunnel with radius 10ft. How high is the tunnel at the edge of each lane?
A diameter ofthe circle is ....... radius
Prove that the line joining the midpoints of the base and summit of a Saccheri Quadrilateral is the perpendicular bisector of both the base and the summit