A.) A right angle>90 degree angle B.) An obtuse angle> greater than 90 degrees less then or equal to 180 degrees C.) An acute angle> less than 90 degrees D.) A straight angle> 180 degrees
Since Gary ran 0.93 seconds faster than Brian, his time will have 0.93 seconds more than Brian's. To figure out Brian's time you have to subtract these 0.93 seconds from Gary's time.
