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primary 5 | Maths | Angles & Geometry
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Jane lee
Jane Lee

primary 5 chevron_right Maths chevron_right Angles & Geometry chevron_right Singapore

My teacher told me it’s a right angle triangle can any teacher explains why it’s right angle triangle?

Date Posted: 1 month ago
Views: 17
AC Lim
AC Lim
1 month ago
Should be obtuse triangle . One of angle is more than 90.
Jane lee
Jane Lee
1 month ago
But my teacher says it's right angle triangle. I’m very puzzled.
Sorry teacher pls help me to clarify
J
J
1 month ago
Your teacher is incorrect. b) is definitely an obtuse triangle.

If you have a protractor, measure it in front of your teacher to prove it to her/him that the angle is more than 90°
Jane lee
Jane Lee
1 month ago
TQ teacher for helping me
Eric Nicholas K
Eric Nicholas K
1 month ago
One look and I can tell that the big angle is more than 90 degrees.

It could not have been a right-angled triangle.
Jane lee
Jane Lee
1 month ago
TQ teacher. I’m confident to approach my teacher tomorrow. Thank you very much

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AC Lim
Ac Lim's answer
3026 answers (A Helpful Person)
1st
When measured with ruler, the angle is more than 90. It should be obtuse triangle. Hope this helps
Jane lee
Jane Lee
3 weeks ago
Good