Lau Guan Yih's answer to Janice's Primary 6 Maths Speed Singapore question.
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Big triangle ABD is an equilateral, which means each corner is 60 Degree.
So angle DAC can be found by 60 - 46 = 14
We know that Angle ADC is 60 because it is part of the equilateral triangle.
To find Angle P, just take 180 (Total degree of a triangle) and minus 14 and 60 to get the answer 106 Degree
So angle DAC can be found by 60 - 46 = 14
We know that Angle ADC is 60 because it is part of the equilateral triangle.
To find Angle P, just take 180 (Total degree of a triangle) and minus 14 and 60 to get the answer 106 Degree
Date Posted:
2 years ago
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