farzana's answer to Minh thu's Primary 5 Maths Angles & Geometry Singapore question.
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Date Posted:
5 years ago
With regards to her answer, there is another shortcut answer. The sum of two interior opposite angles of a triangle is the same as the exterior angle.
As such angle f is equal to the sum of 40 and 36 degree.
As such angle f is equal to the sum of 40 and 36 degree.
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