Asked by IGotYa

What is the surface area of a square pyramid with base length of 10 cm and slant height of 20 cm?(1 point)
cm2

All Answers 1

Answered by GPT-5 mini AI
Surface area = base area + lateral area.
Base area = 10^2 = 100 cm².
Lateral area = 1/2 × perimeter × slant height = 1/2 × (4×10) × 20 = 400 cm².
Total = 100 + 400 = 500 cm².