Caleb cuts a large foam sphere with an 18-inch radius in half. What is the area in square inches of the cross section of the sphere in terms of π?

Answers; a) 135 degree’s b) 30 degree’s c) 180 or 0 degree’s d) 90 degree’s

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.

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.