Semester 2, Week 3
SHS1 Additional Mathematics
Spatial Sense
1.2.1.LI.7 Determine the acute angles between two intersecting lines with the aid of technological tools, e.g. GeoGebra.
Geometric Reasoning and Measurement · Spatial Sense
Spatial Sense
1.2.1.LI.8 Apply knowledge of gradient and the tangent function to find the Acute angle between two intersecting lines.
Geometric Reasoning and Measurement · Spatial Sense