Continue with Microsoft TeamsOntario Curriculum Expectation:
4.E2.4 identify angles and classify them as right, straight, acute, or obtuse.
Acute Angle
When an angle is less than 90º, it is called an acute angle.
Right Angle
A quarter of a circle is 90º. It is called a right angle.
Obtuse Angle
When an angle is more than 90º, it is called an obtuse angle.
Straight Angle
When an angle is exactly 180º, it is called a straight angle.
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1 of 101. Question
1. Identify the angle below as obtuse, acute, right, or straight.
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2 of 102. Question
2. Identify the angle below as obtuse, acute, right, or straight.
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3 of 103. Question
3. The angle below is obtuse.
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4 of 104. Question
4. Identify the angle below as obtuse, acute, right, or straight.
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5 of 105. Question
5. Identify the angle below as obtuse, acute, right, or straight.
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6 of 106. Question
6. Identify the angle below as obtuse, acute, right, or straight.
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7 of 107. Question
7. The angle below is obtuse.
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8 of 108. Question
8. Identify the angle below as obtuse, acute, right, or straight.
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9 of 109. Question
9. Identify the angle below as obtuse, acute, right, or straight.
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10 of 1010. Question
10. The angle below is a right angle.
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