A) 256
B) 200
C) 240
D) 144
Correct Answer: C
Solution :
\[?=\sqrt{({{272}^{2}}-{{128}^{2}})}=\sqrt{(272+128)(272-128)}\] \[=\sqrt{400\times 144}\] \[=20\times 12=240\]You need to login to perform this action.
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