A scalene triangle contains three unequal in length sides. Therefore, a right scalene triangle can be constructed without the use of a ruler or compass. The 90-degree angle can be signified by a small box in the corner of the triangle that measures 90 degrees.
Answer:

Step-by-step explanation:
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Answer:
120
Step-by-step explanation:
12 months in a yr, 10 times 12 is 120.