Given:
There is a square pyramid given in the question.
Required:
We need to find the lateral surface area of given pyramid.
Step-by-step explanation:
The Lateral area of pyramid is
![A_L=2al](https://img.qammunity.org/2023/formulas/mathematics/college/6iycl5vb8x2spr63rmtkob678o8ax5zv22.png)
where a is the side of base which is 6 ft here
l is the slant height which is 15 ft here
now put all the values in formula
![A_L=a*6*15=180\text{ ft}^2](https://img.qammunity.org/2023/formulas/mathematics/college/qqj7ro1uxwirse7qr1qtw33285ackcxjox.png)
Final answer:
the lateral surface area of given pyramid is 180 square ft