La gran pirámide de Keops tiene una base cuadrada de 230 m de lado y una
altura de 136 m. La altura de sus caras
laterales es de 178 m. ¿Cuál es el
volumen de la pirámide? ¿Y su área?​

Which barrier to economic development is shown in the following examples? i. the high rate of hiv infection in underdeveloped nations ii. the use of children as soldiers in uganda’s army in the early 2000s iii. low literacy rates in underdeveloped nations with limited exposure to adequate education a. foreign debt b. political instability c. widespread disease d. low levels of social welfare