Answer:

Step-by-step explanation:
The circle is a flat surface or area limited or closed by a circumference. It is a two-dimensional figure and is formed by making a curve where it will always have the same distance to the center. Its area can be calculated using the following formula:

Therefore the area of the circular baking tray is:

<span>They are finite sums of expressions of the form where a is a constant, x is the variable and k is a non-negative integer</span>
74....74....74............