<PRE><B>Question 344248</B>
Part (a)


A = 1/2*bH


We can write the right side as bH/2.


A = bH/2


2A = bH



2A/b = H


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Part (2)


A = bH/2


48*2 = 12H/2


96 = 12H


96/12 = H


8 = H


The height is 8cm.

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