In ΔCDE, the measure of ∠E=90°, the measure of ∠C=39°, and EC = 67 feet. Find the length of CD to the nearest tenth of a foot.

Awrestling tournament begins with 128 competitors. in the first round, each competitor has 1 match against another wrestler. the winner of each match moves on to the next round until there is a winner. write a sequence in which the terms represent the number of players still in the tournament at the end of each round. describe the sequence? how many rounds are in the tournament?

Is the figure congruent? yes or no?

What’s the answer ? use the picture to see the problem