59° +79°+(2x +16)=180° reason (interior angles of a triangle)
138° + (2x + 16)=180°
(2x + 16)=180°-138°
(2x + 16)=42°
2x=42°-16°
2x=26° (divide by 2)
x=13°

Pepero answered Sep 29, 2024

by Pepero

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