A.60°
B.120°
C.30°
D.90°
Explanation: The correct answer is 90°.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 346 of 557.
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Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan
Submitted by: Academy of Pakistan