D ERIVING A REA F ORMULAS You already know the formulas but where do they come from?
R ECTANGLE In your groups discuss how you can use a parallelogram to develop the area formula for a rectangle Be able to justify your answer using a diagram or written explanation d=47
T RIANGLE In your groups discuss how you can use a square to develop the area formula for a triangle Be able to justify your answer using a diagram or written explanation
TRAPEZOID In your groups discuss how you can use a parallelogram to develop the area formula for a trapezoid Be able to justify your answer using a diagram or written explanation
R HOMBUS & K ITE In your groups discuss how you can use a rectangle to develop the area formula for a Rhombus and Kite. Label the diagonals as d 1 and d 2 Be able to justify your answer using a diagram or written explanation area-of-kites-and-rhombuses/