J u l i a n has partially filled the prism below with 16 unit cubes. How many more unit cubes will he need to completely fill the prism?
11
20
25
36

20

Step-by-step explanation:

It's 36

Step-by-step explanation:

4x3x3=36

the answer is b: 18

step-by-step explanation:

use the pythagorean theorem to .

a^2+b^2=c^2

plug 18 for "r"

the 2 legs are 18 and 24

18^2+24^2=c^2

324+576=c^2

900=c^2

c=30

30-12=18

18 is the radius

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