+0  
 
-2
250
2
avatar+2509 

Help

NotSoSmart  Apr 21, 2017
 #1
avatar
0

i dont know how to do this

Guest Apr 21, 2017
edited by Guest  Apr 21, 2017
 #2
avatar+87564 
+2

3.

 

Area of rectangle +  area of triangle

 

Base * height   +  (1/2) Base * Height

 

9 *  13         +     (1/2) (11) *  (13 - 8)   =

 

9 * 13    +   (1/2) (11) (5)   =

 

117   +  (1/2) (55)   =

 

117 +  27.5  =

 

144.5   cm^2

 

 

4.  Area of parallelogram  = Base x Height

 

240   =  Base  x  20           divide both sides by 20

 

12 cm 

 

 

cool cool cool

CPhill  Apr 21, 2017

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