Worksheet

The Missing Angle: Triangles

The Missing Angle: Triangles

Every triangle adds up to 180 degrees! Using this basic rule, can your child figure out the measurements of these missing angles? This triangle-themed worksheet shows students how to look at lines and angles as parts of an equation and fill in the missing numbers. Perfect for fourth graders, the worksheet The Missing Angle: Triangles challenges students to think about shape-based geometry.

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