• 35 February(Z14) Math Question 7

    Angles

    - triangles

    Choice A

    ∠A+∠B+∠C=180°\angle A + \angle B + \angle C = 180° 4C+90+C=1804C + 90 + C = 180 5C=905C = 90 C=18°C = 18°

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