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Two right triangles have equal areas. The first triangle has a height of 5 cm and a corresponding base of 8 cm. The second triangle has a leg of length 20 cm. What is the length of the other leg of the second triangle?  

Area of 1st triangle                     (1/2) • (8) • (5)  =  20  

Area of 2nd triangle                    (1/2) • x • (20)   =  20  

                                                                   10 x   =  20 

                                                                        x   =  2 

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