Since, you didn't upload the picture, I can only give you the steps to the problem. Then, you can find the correct answer.
To find the surface area of an object, you have to add up the areas of all the different faces. In a square pyramid, you have to find the area of the square base. Then, add it to the area of all the triangular sides.
No picture so i cannot answer the question but i can guide you to support.
Step-by-step explanation:
The way you would do a rectangle is: The area of a rectangle is A = l × w and the way you would do the triangle is The area of a triangle is A = one half × b × h...
