True or false 1. 12 is 20% of 60 2. 24 is 50% of 48 3. 14 is 75% of 20 4. 9 is 30% of 30

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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