britneestephen08 britneestephen08

07-05-2020
Mathematics

contestada

someone PLEASE HELP ME.

someone PLEASE HELP ME class=

Respuesta :

strongnyggah strongnyggah

21-12-2020

Answer:

130

Step-by-step explanation:

OA⊥AC and OB⊥BC

∠A+∠B+∠C+∠O=360°

90°×2+50°+x=360°

x=360°-230°=130°

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