construct a triangle ABC in which BC is 3.6cm , AB is 5cm and AC is 5.4 cm . Draw the perpendicular bisecter of the side BC

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.