Answer :

Adjacent angles along a side of a trapezium are supplementary.

Hence, R + A = 180 ________(i)


Similarly, E + H = 180 ________(ii)


According to given data in question,


The complete R = 2×30 = 60


And E = 2×25 = 50


Because, EP and RP are bisectors of E and R respectively.


By Eq (i) and (ii),


A = 180-60 = 120


H = 180-50 = 130


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