Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 2 - No. 7)
What type of triangles are used to determine the lengths and angles in three dimensions?
Isosceles Triangles
Equilateral Triangles
Right-angled Triangles
Scalene Triangles
คำอธิบาย
Right-angled triangles are essential for calculating lengths and angles in three dimensions.