Item 3 Use the net to find the surface area of the regular pyramid.

A net includes a pentagon and five equilateral triangles. Each triangle shares the base with the side edge of the pentagon. The pentagon has side edges of 6 meters and is labeled "area of base is 61.9 meters squared." Each triangle has a height of 6 meters.

m2

Abank manager wants to encourage new customers to open accounts with principals of at least $2,500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?