A regular pentagon has an apothem measuring 20 cm and a perimeter of 145.3 cm.

A rectangular pentagon has an apothem measuring 20 centimeters and a perimeter of 145.3 centimeters.

What is the area of the pentagon?

square centimeters

How many lines can be drawn through points j and k? 0 1 2 3

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %