The perimeter of a square is 64cm. calculate the area of the square

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.

What is the circumference of a circle with an area of 50.24 cm²?