An observatory is shape like cylinder standing on one of it's bases with dome on top. The diameter of the floor of the observation is 64 feet ,as shown in the diagram. ¿Which measurements is closest to the circumstance of the base of the observatory in feet ?

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis

Which of the following are accepted without proof in a logical system? check all that apply.