Two poles with radii of 18 cm and 7 cm are connected by a single metal band joining their centres and points of their outer edges. This is shown below. Determine the length of the metal band that is needed, if AB is tangent to both poles. A 7 cm 0 60 cm B 18 cm C

A wooden frame length is 22 inches and its width is 16.5 inches. What is the length of the diagonal of the wooden frame??

A triangle has a base length of (x-8)cm  and a height of 2x cm. If the area is 20cm² calculate the height and base length. It's studying for a test and the answer is H=20 and B=2 but I don't know how to solve it please make an easy explanation. Thanks!

joe wanted to figure out the size of his circular fishing pond. He walked completely around the pond and estimated the distance was 1,450ft. What is the area of the pond?

The average bedroom in an apartment is approximately 16ft x 10ft with an eight-foot ceiling. As an interior decorator that loves the 1970's decor, you need to cover the walls with groovy flowered wallpaper. If one roll of wallpaper covers 50ft2, then determine how many rolls of groovy flowered wallpaper is needed to cover the apartment bedroom?