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Monday, 16 October 2017

Bài 18 : Introducing the angles.



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Between zero and 90 an angle is acute.
This angle's small and skinny and kind of cute.
It looks like a V or the top of a Y or the angles that you see eating pizza or pie.
Angles are measured in degrees, and here's how to remember them with ease!
Only when an angle measures ninety do we call it right.
You can tell this angle just by sight.
It looks like an L or the corner of a square.
You're looking at them when you're walking up the stairs.
Angles are measure in degrees, and here's how to remember them with ease!
From 90 and 180, an angle is obtuse
This angle's kind of fat; it's got a big caboose.
It's like the hands on a clock when it's quarter to two or the antlers on the head of a full-grown moose.
Angles are measured in degrees, and here’s how to remember them with ease!
To measure an angle's degrees with a protractor,
Place the vertex at the hole in the center.
Line up the the bottom ray with zero on the protractor
Remember that zero can be on top or under.
Count up to where the other ray points at the number.
That will be the angle's measure.

Angles are measured in degrees, and here’s how to remember them with ease!




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