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Heron's Formula...
What is the area of a figure with vertices(1,1), (8,1), and (5,5)?
A pair of congruent angles a described as follows: The measure of one angle is three more than twice a number, and the other angles measure is 54,5 less than three times the number. Determine the sizes of the angles. The measure of one angle is described as twelve more than four times a number. Its supplement is twice as large. Find the measure of each angle. A triangle has angles described as follows: The measure of the first angle is four more than seven times a number, the measure of the second angle is four less than the first, and the measure of the third angle is twice as laree as the first. What is the measure of each angle?
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