A) \[50-{{t}^{2}}\]
B) \[50+{{t}^{2}}\]
C) \[60-{{t}^{2}}\]
D) \[60+{{t}^{2}}\]
Correct Answer: A
Solution :
[a] In a prism: \[r+r'=A\Rightarrow r=A-r'\] \[\therefore r=60{}^\circ -\left( 10+{{t}^{2}} \right)=50-{{t}^{2}}\]You need to login to perform this action.
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