Yup. The angles of a triangle must add up to 180°—no more, no less.
These angles do:

As for which kind, we can classify it based on the 90°-angle. Since that's a right angle, we have a
right triangle. Additionally, it is scalene.

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Answer:
12.75
Step-by-step explanation:
You multiply 15.00 into 0.85
13 units....................YES