CBSE Class 10 Answered
plz answer Q28 marked urgently dear experts :
![question image](http://images.topperlearning.com/topper/new-ate/top_mob16745410721234560907affbaf8d-3732-4d38-bd9a-30e5eca194b9.jpg)
Asked by savitamahajan202 | 24 Jan, 2023, 11:47: AM
![](https://images.topperlearning.com/topper/tinymce/imagemanager/files/fffc606d88e52593b580569b999b8eb163cf808793d2a8.30421329f4.png)
Let ![begin mathsize 14px style angle P S T space colon space angle R S T space equals space 4 x space colon space 5 x end style](https://images.topperlearning.com/topper/tinymce/cache/f8b24caff9b641235a7b6b01261f4fa3.png)
![begin mathsize 14px style angle P S T space colon space angle R S T space equals space 4 x space colon space 5 x end style](https://images.topperlearning.com/topper/tinymce/cache/f8b24caff9b641235a7b6b01261f4fa3.png)
![begin mathsize 14px style angle P S T space plus space angle R S T space equals space 4 x plus 5 x space equals space 90 degree end style](https://images.topperlearning.com/topper/tinymce/cache/f3e3a6c75451ec7a9ac68b1386f68705.png)
Then x = 10o
![begin mathsize 14px style angle P S T space equals space 40 degree space space semicolon space space end style](https://images.topperlearning.com/topper/tinymce/cache/22e8d450492ff5cb65d2f232c52a6283.png)
![begin mathsize 14px style angle P S T space equals space 40 degree space space semicolon space space angle S P T space equals space angle S P Q space minus space angle P S T space equals 90 degree space minus 40 degree space equals space 50 degree end style](https://images.topperlearning.com/topper/tinymce/cache/09a8e925547af63202aa13f96cd9b3e8.png)
![begin mathsize 14px style angle T P Q space equals space 90 degree space minus space angle S P T space equals space 90 degree minus space 50 degree space equals space 40 degree end style](https://images.topperlearning.com/topper/tinymce/cache/51876cde11f6eb6ec2b3cfeac5302b7b.png)
Answered by Thiyagarajan K | 24 Jan, 2023, 12:32: PM
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