Given that ? cea is a right angle and bisects ? cea, which statement must be true? ? bea ? ? cea ? ceb ? ? cea m? ceb = 45° m? cea = 45°

i will take them

step-by-step explanation:

phosphate, calcium ion, chloride ion, neon atom

step-by-step explanation:

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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