The bottom of a triangular container is 20 cm long and 10 cm wide. two litres of water are poured into the container, find the depth of water in cm

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.