Topics
6. Quadrilaterals & Other Polygons
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United States of AmericaFL
Grade 912

6.01 The polygon angle sum theorems

Lesson
Practice
Adaptive
Worksheet

Interactive practice questions

Select three convex quadrilaterals:

A

B

C

D

E

F
Easy
< 1min

Select all concave quadrilaterals:

Easy
< 1min

Consider the quadrilateral in the adjacent figure.

Easy
2min

What is the sum of exterior angles for any polygon?

Easy
< 1min
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Outcomes

MA.912.GR.1.4

Prove relationships and theorems about parallelograms. Solve mathematical and real-world problems involving postulates, relationships and theorems of parallelograms.

MA.912.LT.4.8

Construct proofs, including proofs by contradiction.

MA.912.LT.4.10

Judge the validity of arguments and give counterexamples to disprove statements.

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