Similarity – solving problems

Subject: Mathematics

Grade: Lower Secondary

Publisher: YDP

Resource types: Whiteboard presentation

Resource ID: e1707
Description:

At the end of this activity, students should be able to:
use similarity of triangles in solving problems
- recognise proportions when an angle is cut by two parallel lines
- find line segments on the arms of an angle cut by two parallel lines.

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Similarity – solv... Class activity

Consists of...
The side-splitting ... Animation Arms of the angle a... Whiteboard exercise Proportions Whiteboard exercise Completing the prop... Whiteboard exercise Finding the length ... Whiteboard exercise Crossing lines cut ... Animation Proportions in cros... Whiteboard exercise Note Animation Area of the region Animation Finding areas Whiteboard exercise Sides of the triangles Animation Triangle Whiteboard exercise Sides of the trapezium Animation Trapezium Whiteboard exercise Line segment Animation Dividing a line seg... Simulation

Relevant to...

Secondary School

Lower Secondary (Grades 7-9)

Mathematics

Geometry and transformations

21. Similarity – solving problems

YDP SA

Keywords

similarity, transformation, segment, problems, shape, proportion, geometry, polygon, solving, Similarity - solving problems

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