flippinhailey
14.01.2021 •
Mathematics
A certain triangle has a 30° angle and a 60° angle. Which must be a true
statement about the triangle?
OA. The second-longest side is 3 times as long as the shortest side.
OB. Two sides of the triangle have the same length.
OC. The longest side is twice as long as the second-longest side.
OD. The longest side is 3 times as long as the shortest side.
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Ответ:
The answer is -0.5 (or negative half) because 3/8 plus negative 7/8 equals negative 4/8 which can be simplified to negative half.