Name__________________________

 

AREA OF A TRAPEZOID #3--KEY

 

Directions:  Find the area of each trapezoid.  The formula to calculate the area of a trapezoid is

Area = ½(base 1 + base 2) x height.  Write your answer in the space provided.

 

 

                 3 in                                                                                5 in                                                                        3 in

1)                                                         2)                                                         3)

           

4 in

 

4 in

 
 

 

 

 


                                      6 in                                                                                6 in                                                                         8 in

 

 

                 Area ___18_______                               Area ____22______                            Area _____22_____

 

 

 

                 3 in                                                                                5 in                                                                         6 in

4)                                                         5)                                                         6)

           

4 in

 

3 in

 
 

 

 

 


                                      4 in                                                                                8 in                                                                         9 in

 

 

                 Area _____16.5_____                            Area _____26_____                            Area ____22.5______

 

 

 

 

 

                 5 in                                                                                9 in                                                                         5 in

7)                                                         8)                                                         9)

           

3 in

 

3 in

 
 

 

 

 


                                      12 in                                                                              10 in                                                                       8 in

 

 

                 Area ____25.5______                            Area _____28.5_____                         Area _____19.5_____