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Worksheet PDF on Angle basics for class IV, How
can you name an angle in three ways? Lesson on Naming angles for class 4,
Vertex, Arms, Angles, Exterior of an angle, Interior of an angle, Angle basics
and naming angle worksheet PDF, Angle basics and naming angle practice page for
4rth standard, How do you label an angle? Quiz on angle basics and naming angle
for fourth grade, Angle is formed when two rays or two line segments are joined
with a common end point. Vertex: Common end point where two arms meet is called
vertex of an angle. Arms: Two rays or line segments forming an angle are called
arms. We can name angle as angle XYZ or angle Y.