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Find the area of the arrow in the unit grid.

 

 Jan 10, 2020
 #1
avatar+109739 
+1

We  have  a central  rectangle with  a width of   4  and a height of 2

The area of this =  4 * 2  = 8

 

And we have two triangles on either end with bases of 6  and  altitudes of 2

So the areas of these are  2 (1/2) (6) (2)  = 12

 

So......the area of the arrow =    8 + 12     =   20

 

 

 

cool cool cool

 Jan 10, 2020
 #2
avatar+1078 
0

4 triangles and one rectangle.

 Jan 10, 2020

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