Geometry: 29. what is the volume of a square pyramid with base edges of 40 cm and a slant height of 25 cm? a. 533.3 cm^3 b. 8,000 cm^3 c. 12,000 cm^3 d. 24,000 cm^3 31. what is the maximum volume of a square pyramid that can fit inside a cube with a side length of 12 cm? a. 576 cm^3 b. 288 cm^3 c. 1,728 cm^3 d. 864 cm^3

The answer for 29 is c the answer for 31 is b

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.