4. Given angle TOR = 130°, find angle x (TPR), angle y (TQR) and angle z (TSR).
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∠TQR=∠TSR=∠TPR=65°
Step-by-step explanation:
Given,∠TOR=130°
To find,∠TPR,∠TQR,∠TSR
We know that,in a circle angle subtended at centre is double the angle subtended on circumference.
By the help of this property,
∠TOR=130° which is subtended at centre,so the angle
∠TPR=
∠TPR=65°
Similarly,
∠TQR=∠TSR=65°
Hence,
∠TQR=∠TSR=∠TPR=65°
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