Determine whether each statement is true or false. if false, give a counterexample. all radii of the same sphere are congruent.

What is the value of x? enter your answer in the box.

Arectangle has a length of 6cm by 8cm what is the length of a diagonal of the rectangle

The floor of a building consists of 3000 tiles which are rhombus shaped and each of it's diagonals are 45 cm and 30 cm in length. find the total cost of polishing the floor, if the cost per m² is rs. 4.