Triangles & quadrilaterals · Lesson 2: Quadrilaterals
predict first — then find out
What do the four angles of ANY quadrilateral add up to?
76° + 98° + 86° + 100° = 360°
Triangles & quadrilaterals · Lesson 2: Quadrilaterals
predict first — then find out
76° + 98° + 86° + 100° = 360°