The lengths of brook trout caught in a certain colorado stream are normally distributed with a mean of 14 inches and a standard deviation of 3 inches. the first quartile for the lengths of brook trout would be: a. 11.00 inches. b. 16.01 inches. c. 11.98 inches. d. 10.65 inches.

Given: ae ≅ ce ; de ≅ be prove: abcd is a parallelogram. we have that ab || dc. by a similar argument used to prove that △aeb ≅ △ced, we can show that △ ≅ △ceb by. so, ∠cad ≅ ∠ by cpctc. therefore, ad || bc by the converse of the theorem. since both pair of opposite sides are parallel, quadrilateral abcd is a parallelogram.