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anonymous

  • 4 years ago

The angular bisector RB of an oblique, scalene triangle PQR diveds the side PQ into two parts of lengths; PB =4 and QB = 6.4. A) if angle P=65.4deg and angle Q = 34.6deg, calculate lengths PR and QR B) verify the proportion PB/QB = PR/QR C) what is the definition of this property?

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  1. anonymous
    • 4 years ago
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    |dw:1328216822522:dw|

  2. y2o2
    • 4 years ago
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    measure angle R = 180-(P + Q) = 180-65.4-34.6 = 80 Using Sine law: PQ/sin(R) = RQ/sin(P) = RP/sin(Q) 10.4/sin(80) = RQ/sin(65.4) = RP/sin(34.6) RQ = 9.60 & RP = 6

  3. y2o2
    • 4 years ago
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    I think the rest is Easy , tell me if you still have a problem

  4. anonymous
    • 4 years ago
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    what property is that?

  5. Mertsj
    • 4 years ago
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    The angle bisector divides the opposite side in the ratio of the adjacent sides.

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