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Recap: Polygon Angles

Part of the Polygons & Quadrilaterals section of Coddy's Geometry journey. Lesson 5 of 59.

Challenge

The side DE of pentagon ABCDE is drawn longer, past E. Find the angle marked ?. It is between this longer line and the side EA.

Then press Check.

Try it yourself

$Find the marked part of the figure$

Find the marked part of the figure

All lessons in Polygons & Quadrilaterals

1Polygons

Angles of a Quadrilateral Angles in Any Polygon How Many Sides?Polygon Angles with xRecap: Polygon Angles

4Parallelograms

Parallelograms Neighbouring Angles Opposite Angles Parallelograms with x A Diagonal Inside Recap: Parallelograms

7On Squared Paper

Make a Parallelogram Draw a Tilted Rectangle Draw a Rhombus Draw a Trapezoid and Kite Recap: Squared Paper

10Composite Shapes

Shapes Made of Parts Rectangle and Triangle Area by Subtracting Enough to Find It?Recap: Composite Shapes

2Regular Polygons

Regular Polygons Inside a Regular Polygon Recap: Regular Polygons

5Rectangles, Rhombi, Squares

Rectangles The Diagonal of a Rectangle Rhombus Angles Squares Recap: Special Parallelograms

8Area of Parallelograms

Area of a Rectangle A Side from the Area Slide the Top Area of a Parallelogram Recap: Parallelogram Area

11Polygon Chases

Parallel Sides in a Pentagon Marks, Not Looks Pentagon with x Regular Shapes Together Recap: Polygon Chases