Cho hình chóp S. ABC có SA vuông góc với mặt phẳng (ABC), SA=a căn bậc 2 của 2, tam giác ABC vuông cân tại B và AC=2a. Góc giữa đường thẳng SB và mặt phẳng (ABC) bằng

The line containing the midpoints of the legs of right triangle abc where a(-5,5), b(1, 1), and c(3, 4) are the vertices.

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points