Question

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Answer 1

Answer:

50°

Step-by-step explanation:

we know sum of three angles of a triangle = 180°

as angle B = 90°, angle A= 40°

angle C = 180– (90+40) = 180– 130 = 50°

Answer 2

$\sf \: Solution$

Find the missing angle :-

In ⊿ ABC (right angled triangle)

Angle BAC = 40°

Angle ABC = 90°

Angle ACB = ?

We know that, In a triangle sum of all its three angles is equals to 180°

Angle ACB = 180° - (Angle ABC + Angle BAC)

Angle ACB = 180° - 130°

Angle ACB = 50°