A 4 meter ladder leans against a house forming a 30° angle with the house. Exactly how far is the
base of the ladder from the house in meters?

The diagram shows a 7cm by 6cm rectangle based pyramid. all the diagonal sides - ta, tb, tc and td are length 10cm. m is midpoint of rectangular base. work out height mt to 1 decimal place

The tile along the edge of a triangular community pool needs to be replaced? ?

Given the equation    = 5, solve for x and identify if it is an extraneous solution