The Great Pyramid in Giza, Egypt, is a square pyramid. The dimensions of the pyramid at the time of its completion are shown in the net. What is the surface area of the Great Pyramid, including the base? Enter your answer in the box. m²
138,920 meters squared. the square is 230×230. the triangles are [1/2(230)(187)] then multiplied by 4 because there are 4 of them. add all together to get 138920.
Multiply 230 x 230. Then multiply 230 by 187. Then divide by 1/2. Multiply that answer by 4. Then add the product of 230x230 and 230x187 divided by 2 times 4.
