These two quadrilaterals also share 2 pairs of parallel lines and 4 equal lengths. You can classify and compare shapes by using a Venn diagram. Each shape has been placed in the section of the ...

These two quadrilaterals also share 2 pairs of parallel lines and 4 equal lengths. You can classify and compare shapes by using a Venn diagram. Each shape has been placed in the section of the ...

Our opening quote contended that Venn diagrams are overrated. Even those who agree must admit that they have a curious allure. Take the sets of interesting topics in logic, in geometry and in ...