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The figure shown is made up of a square & a triangle. Express the area of the figure in terms of Y

 Feb 7, 2015

Best Answer 

 #1
avatar+128089 
+12

Total Area = area of the square + area of the triangle = y^2 + (1/2)(4)(y)  =

(y^2 + 2y)cm^2

 

 Feb 7, 2015
 #1
avatar+128089 
+12
Best Answer

Total Area = area of the square + area of the triangle = y^2 + (1/2)(4)(y)  =

(y^2 + 2y)cm^2

 

CPhill Feb 7, 2015
 #2
avatar+26364 
+5

The figure shown is made up of a square & a triangle. Express the area of the figure in terms of Y

The area of a trapezoid is given by the formula

where
b1, b2 are the lengths of each base
h is the altitude (height)

 

b1 = Y

b2 = Y + 4

h = Y

$$area = \left(\dfrac {Y + Y +4}{2} \right)* Y\\\\\\
=\left( \dfrac {2Y +4}{2} \right) * Y\\\\
=\left( \dfrac {2Y}{2}+ \dfrac {4}{2} \right) * Y\\\\
=\left( Y +2 \right) * Y\\\\$$

 Feb 7, 2015

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