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In triangle PQR, the internal bisector o...

In triangle PQR, the internal bisector of `angleQ` and `angleR` meets at 0. If `angleQPR=70^(@)`, then what is the value (in degrees) of `angleQOR`?

A

45

B

125

C

115

D

110

Text Solution

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In triangle PQR, the internal angle bisector of angle Q and angle R meets at O.If angle QPR=70^@ , then what is the valtte (in degrees) of angle QOR ? त्रिभुज PQR में, angle Q तथा angle R का आंतरिक द्विभाजक O पर मिलते हैं। यदि angle QPR=70^@ हैं, तो angle QOR का मान (डिग्री में) क्या है?

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Knowledge Check

  • In triangle PQR, the internal bisector of /_Q and /_R meets at O. If /_QPR = 70^@ , men what is the value (In degrees)of /_QOR ?

    A
    45
    B
    125
    C
    115
    D
    110

  • In triangle PQR, the sides PQ and PR are produced to A and B respectively. The bisectors of angleAQR and angleBRQ intersect at point O. If angleQOR = 50^@ , what is the value (in degree) of angleQPR ?

    A
    1) 50
    B
    2) 60
    C
    3) 80
    D
    4)100

  • In a Delta PQR , the sides PQ and PR and are produced to S and T respectively. Bisectors of angle SQR and angle QRT meet at the point O. If angle P = 66^@ , then what is the value of angle QOR ?

    A
    `47^@`
    B
    `50^@`
    C
    `57^@`
    D
    `67^@`

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    In the given figure. 0 is centre of the circle. Circle has 3 tangents. If QPR = 45^(@) , then what is the value (in degrees) of angleQOR ?

    In the given figure, OX, OY and OZ are perpendicular bisectors of the three sides of the triangle. If angleQPR= 65^(@) and anglePQR=60^(@) , then what is the value of (in degrees) of angleQOR + anglePOR ?

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    PQR is a triangle in which PR=QR. Side PR is extended to S, such that QR= RS. If angleQPR=40^(@) , then what is the value (in degrees) of angleQSR ?

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