find the size of each of unknown lettered angle
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Step-by-step explanation:
we all know that,
the sum all angles of triangle is 180
In ∆ABC
angle ABC is 90°....(given)
angle BAC is 24°
angle ACB = angle ABC - angle BAC
angle ACB = 90° + 24°= 180°
angle ACB = 114°-180°
angle ACB = 66°
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