Find the sum of the measures of the interior angles of the figure.

a.
540°
b.
1,080°
c.
360°
d.
720°

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*