Please help me with the geometry answers in the picture below

What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm

How many lines can be drawn through points j and k? 0 1 2 3

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin