Answer:
85 cm²
Step-by-step explanation:
The formula to calculate the surface area of a square based pyramid =
2bs + b²
Where
b = Side length = 5cm
s = Slant height = 6cm
Surface Area = 2 × 5cm × 6cm + (5cm)²
= 60cm² + 25 cm²
= 85 cm²
Therefore, the surface area of the pyramid is 85 cm²
