A) \[{{155}^{o}}\]
B) \[{{150}^{o}}\]
C) \[{{135}^{o}}\]
D) \[{{95}^{o}}\]
Correct Answer: C
Solution :
Here\[\angle QPL+\angle PLR={{180}^{o}}\] \[\angle PLR={{180}^{o}}-\angle QPL\] \[={{180}^{o}}-{{115}^{o}}={{65}^{o}}\] \[\angle RLP=\angle LRT+\angle RTL\] \[\angle LRT=\angle RLP-\angle RTL\] \[={{65}^{o}}-{{20}^{o}}={{45}^{o}}\] \[\angle SRT+\angle LRT={{180}^{o}}\] \[\angle SRT={{180}^{o}}-\angle LRT\] \[={{180}^{o}}-{{45}^{o}}={{135}^{o}}\] \[\angle SRT={{135}^{o}}\]You need to login to perform this action.
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