exam Maths Puzzle Numerical Ability

How do you find the area of a right triangle when the height is not known, and the only angle known is 90 degrees. I know that length of the base is 5.56 and the length of the longest side is 1134.4

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exam Other Question

In 2002, the price of mailing a letter was $.34 for the first ounce or part of an ounce and $.21 for each ounce or part of an ounce after the first ounce.

a. Write a rule to des Ellen mixes nuts worth $1.60 per pound with oats worth $1.40 per pound to get 20 lbs of trail mix worth $1.54 per pound. How many pounds of nuts and how many pounds of oats should she use?