Answer:
189 ft²
Step-by-step explanation:
In the above diagram we are given
Slant height = 6ft
Base = 9 ft
The formula for the surface area of this regular pyramid is given as:
S.A = 2bs + b²
S.A = 2 × 9 × 6 + 9²
S.A = 108 + 81
S.A = 189 square feet(ft²)
