Câu 32. Cho hình chóp S. ABCD có đáy ABCD là hình chữ nhật tâm O, và . Góc giữa SO và mặt đáy bằng . Thể tích khối chóp S. ABCD là:

Which statement explains how you could use coordinate geometry to prove that quadrilateral abcd is a parallelogram? -5 -4 -3 -2 -1 t 1 2 3 4 prove that all sides are congruent and have slopes that are opposite reciprocals prove that segments ad and ab are congruent and parallel prove that opposite sides are congruent and have equal slopes prove that segments bc and cd are congruent and parallel

Identify the number 127 as a rational or irrational. explain

32a³b² 8ab² simplify the following expression.