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Question
primary 6 | Maths
| Measurement
3 Answers Below
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Math
Date Posted: 4 years ago
Views: 432
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Hope this helps
Date Posted:
4 years ago
The answer given was (b)2. How can you tell just by eyeballing it. Its obvious for the reflex angle and larger ones. But how can you tell if its 90° or 89°?
Yes. Good question. I always asked students to use ruler as guide to determine the right angle, 90°. Later I show you my method by pictures.
Also, it appears the picture is view at an angle not directly from the top. Won’t that be misleading as well? I feel it’s not a good question.
Yes you are right. From picture can effect the angle if picture taken not directly from top view.
Answer cant be 2. From eyeballing, have 3 angle more than 90.
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This is how I determine right angle using ruler.
Date Posted:
4 years ago
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I suspect your answer sheet give wrong answer.
Date Posted:
4 years ago
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