A right triangle is a triangle that includes one right angle, measuring 90 degrees. It doesn't matter which of the three angles is 90 degrees. As long as one of them is, it's a right triangle. What does a triangle need to have in order to be a right triangle?
A. two sides of equal length
B. one 90 degree angle
C. one obtuse angle
D. three sides of equal length

Alake near the arctic circle is covered by a 222-meter-thick sheet of ice during the cold winter months. when spring arrives, the warm air gradually melts the ice, causing its thickness to decrease at a constant rate. after 333 weeks, the sheet is only 1.251.251, point, 25 meters thick. let s(t)s(t)s, left parenthesis, t, right parenthesis denote the ice sheet's thickness sss (measured in meters) as a function of time ttt (measured in weeks).

Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)