Answer:
B) obtuse
Explanation:
We can see that angle SRT is much larger than 90 degrees, but smaller than a straight line. This makes it an obtuse angle.
A right angle is an angle that is exactly 90 degrees.
An obtuse angle is an angle between 90-180 degrees.
A straight angle is an angle that is exactly 180 degrees.
An acute angle is an angle that is less than 90 degrees.
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