Topics
9. Geometry
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iGCSE (2021 Edition)

9.02 Measuring angles

Lesson
Worksheet
Practice

Interactive practice questions

Select the right angle:

Two line segments that share a common endpoint having an angle less than 90 degrees.

A

Two line segments that share a common endpoint having an angle more than 90 degrees but less than 180 degrees.

B

Two line segments that share a common endpoint having an angle of 90 degrees.

C

Two rays that share a common endpoint having an angle of 180 degrees.

D
Easy
< 1min

Select the acute angle:

Easy
< 1min

Select the obtuse angle:

Easy
< 1min

Select the reflex angle:

Easy
< 1min
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Outcomes

0580C4.1

Use and interpret the geometrical terms: point, line, parallel, bearing, right angle, acute, obtuse and reflex angles, perpendicular, similarity and congruence. Use and interpret vocabulary of triangles, quadrilaterals, circles, polygons and simple solid figures including nets.

0580C4.2A

Measure and draw lines and angles.

0580C4.7A

Calculate unknown angles using angles at a point and angles at a point on a straight line and intersecting straight lines.

0580E4.1

Use and interpret the geometrical terms: point, line, parallel, bearing, right angle, acute, obtuse and reflex angles, perpendicular, similarity and congruence. Use and interpret vocabulary of triangles, quadrilaterals, circles, polygons and simple solid figures including nets.

0580E4.2A

Measure and draw lines and angles.

0580E4.7A

Calculate unknown angles using angles at a point and angles at a point on a straight line and intersecting straight lines.

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