Answer-IJK is an isosceles triangle in which IJ = IK. The value of &ang; IJK is what percentage less than 1...

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According to question, IJ  IK ZIJK   IKJ Now, in AIJK, we have  JIK   IKJ   IJK  180 60   IJK   IJK  180 2IJK 120 IJK  1202  60 Hence,  IJK  60 Now, Percentage from which  IJK  60 is less than 120 12060 120  100 60 120  100  50

IJK is an isosceles triangle in which IJ = IK. The value of ∠ IJK is what percentage less than 120°, if ∠ JIK=60°.

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