Find the surface area of the square pyramid

The surface area of the square pyramid is 40 units².

Step-by-step explanation:

As we know that the total surface area of a square pyramid can be obtained by identifying the length 'b' of its base and its slant height 's' by using the formula:

From the figure, it is clear that

substituting the values in the formula

Therefore, the surface area of the square pyramid is 40 units².

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step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or  

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step-by-step explanation: