No, it is not correct that the latitude and altitude of the Egyptian pyramids of Giza are the same number as the speed of light. This claim is a popular myth or pseudoscientific idea that has been circulating on the internet and in certain fringe communities.
The speed of light, which is approximately 299,792,458 meters per second in a vacuum, is a fundamental constant of nature. It represents the maximum speed at which information or matter can travel through space. The latitude and altitude of the Egyptian pyramids, on the other hand, are specific geographical coordinates that describe their location on the Earth's surface.
The coordinates of the Great Pyramid of Giza, for example, are approximately 29.9792° N latitude and 31.1342° E longitude. These values may superficially resemble the numerical value of the speed of light, but it is merely a coincidence. There is no scientific or meaningful connection between the numerical values of the speed of light and the coordinates of the pyramids.
It's important to exercise critical thinking and skepticism when evaluating such claims and to rely on reputable sources of information when exploring historical, archaeological, or scientific topics.