1.

Find the size of X and Y​

Answer»

x=y=50°Step-by-step EXPLANATION:x=y ( Angles OPP to EQUAL sides)...(1)80° + x + y = 180° (Anglesum PROP of triangle)From (1),80° + x + x = 180°2x = 100°x = 50°As x = y,y = 50°Hope it HELPS:)



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