Answer:
0.833
Step-by-step explanation:
A) CUB
Of the suggested planes, only CUB contains both points C and T.
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<em>Comments on the other answer choices</em>
BED contains point T, but not C
ACE contains point C, but not T
ABE contains neither C nor T
A= 5cm
B=13cm
C=15cm
hope this helps!