Open bisecting angles again. You’ll now use modern technology to replicate the traditional method of bisecting an angle: Create a circle centered at point A with a radius large enough for you to distinguish the two points where the circle intersects the two legs of ∠BAC. Label the points where the circle intersects ∠BAC as D and E. Create two circles centered at points D and E with equal radii that are long enough to allow the circles to intersect. There are two points where the circles intersect each other. Mark the point that is farthest from the vertex, and label it F. Draw .

At wind speeds above 1000 centimeters per second (cm/sec), significant sand-moving events begin to occur. wind speeds below 1000 cm/sec deposit sand and wind speeds above 1000 cm/sec move sand to new locations. the cyclic nature of wind and moving sand determines the shape and location of large dunes. at a test site, the prevailing direction of the wind did not change noticeably. however, the velocity did change. fifty-nine wind speed readings gave an average velocity of x = 1075 cm/sec. based on long-term experience, σ can be assumed to be 245 cm/sec. (a) find a 95% confidence interval for the population mean wind speed at this site. (round your answers to the nearest whole number.) lower limit cm/sec upper limit cm/sec