Can someone help me figure out how many cubes are needed to make each figure?Please help ASAP! :(

1. 20 and 2. 18

Step-by-step explanation:

for the first of you count all of them visible you would get the bottom layer, then the second one From the bottom count all visible except the bottom row (so on and so fourth) and for the second one you just count by three 6 times because the faces closest to you count as three

step-by-step explanation:

options

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.