please help i am in class and need help pleaseeeeee

Answer:
360m²
Step-by-step explanation:
Surface area of Pyramid=4*Area of Triangle+Area of Square
Area of Triangle=(1/2)*Base*Height
Area of Square=Side²
Area of 4 Triangles=4*(1/2)*10*13=260m²
Area of square=10²=10*10=100m²
Total Area=260m²+100m²=360m²