What did the mayas develop?
a. intricate roads to connect different parts of their empire
b. stone carvings that showed images of their rulers
c. a calendar based on a solar year of 365 days
d. an urban area with a system of canals

The square pyramid below has a height of 12 centimeters and a slant height of 20 centimeters. the square base of the pyramid has side lengths of 32 centimeters. what is the lateral area of the pyramid? 384 cm2 640 cm2 768 cm2 1280 cm2