Hello @AZLearner-5762 ,
No. Transitive peering is not supported. You must peer VNetB and VNetC for this to take place.
Please refer : https://learn.microsoft.com/en-us/azure/virtual-network/virtual-networks-faq#if-i-peer-vneta-to-vnetb-and-i-peer-vnetb-to-vnetc-does-that-mean-vneta-and-vnetc-are-peered
Hope this helps!
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