In a circle with a radius of 52 cm, a chord that is 24 cm. Use trigonometry to find the measure of the arc that is created by this chord to the nearest degree.
Please include pictures, all your work, and no links or I will report you, and have you removed.
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1. are the triangles similar and if so why? what is the value of x? show your work.

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.