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In the adjoining figure angle QPO=24^(@)...

In the adjoining figure `angle QPO=24^(@)` and `angle SPR = 20^(@)` , find the value of `angle QOR`.

Text Solution

Verified by Experts

`angle QPR=25^(@)+20^(@)45^(@)`
Now, the angle substended by an arc at centre is twice the angle subtended by the same arc at the remaining part of the circel.
`therefore angle QOR=2angle QPR`
`=2xx45^(@)`
`90^(@)`.
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