Express the sine of
A) 12/13
B) 13/12
C) 5/12
D) 5/13

The polygon tool to draw a rectangle with a length of 5 units and a height of 3 units. one of the sides of the rectangle falls on line ab , and the rectangle has a vertex of a. each segment on the grid represents 1 unit.

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Guys i really need or i have to stay late up night