A different pattern is made using 20 straight lines and 14 arcs. The straight lines and arcs are made from metal 20 straight lines cost £12. Cost of one straight line : Cost of one Ark equals 2:3. Work out the total cost of metal in the pattern

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

In the diagram, gef and hef are congruent. what is the value of x