Answer:
Where are the choices?
a rigth triangle is a 90 degree angle.
In geometry and trigonometry, a right angle is an angle of exactly 90°, corresponding to a quarter turn. If a ray is placed so that its endpoint is on a line and the adjacent angles are equal, then they are right angles.-wikipedia
no one can report because I gave wikipedia credit
Step-by-step explanation:
your welcome:)
Answer: 1.80
B) measures of variability
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