Question: what materials were used to build the pyramid of khafre?
Answer: The pyramid has a base length of 215.5 m (706 ft) and rises up to a height of 136.4 metres (448 ft). It is made of limestone blocks weighing more than 2 tons each. The slope of the pyramid rises at a 53° 13' angle, steeper than its neighbor, the Pyramid of Khufu, which has an angle of 51°50'24".