HELP I NEED THIS DONE IT WAS DUE 30 MINS AGO

The triangles are similar. what is the value of x? enter your answer in the box. x = two right triangles. the larger right triangle is labeled x on the longer leg, 12 on the shorter leg and 20 on the hypotenuse. the smaller triangle is labeled 4 on the longer leg, 3 on the shorter leg, and 5 on the hypotenuse.

Identify whether the figure has plane symmetry, symmetry about an axis, or neither.

Measures of the angle of r, 31 s (x+4) t (3x+9)