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Final: Enough to Finish?

Part of the Polygons & Quadrilaterals section of Coddy's Geometry journey. Lesson 56 of 59.

ABCD is a parallelogram and the diagonal BD is drawn. ∠DAB = 70° and ∠ADB = 45°. First decide whether the figure fixes ∠BDC. If it does, find it.

Challenge

Does the figure fix ∠BDC? Answer, and if it does, find it with the rules. Then press Check.

Try it yourself

$Is there enough information?$

Is there enough information?

All lessons in Polygons & Quadrilaterals

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

3Exterior Angles

Exterior Angles Exterior Angles Make 360°Regular Exterior Angles Sides from the Exterior Recap: Exterior Angles

6Trapezoids and Kites

Trapezoids Isosceles Trapezoids Trapezoids with x Kites Recap: Trapezoids and Kites

9Area of Trapezoids

Area of a Trapezoid A Missing Base Find the Height First Trapezoids by Area Recap: Trapezoid Area

12Final Challenges

Final: The Garden BedFinal: Enough to Finish?Final: The Ramp Final: The Gable Wall Final: The Star Point