12x2 = 24 0 — 23 23 —v2 2 — 2 2 ООО
1 answer:
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You have to add and divide for the mean(average) so add all of them up and then divide by 3 :)
Answer:
∠x = 36°
Step-by-step explanation:
∠a = 180° - 106° = 74°
=> ∠b = 180° - 40° - 74° = 66°
=> ∠c = 180° - 66° = 114°
=> ∠d = 180° - 114° - 30° = 36°
=> ∠x = ∠d = 36°
