Answer:
Here you go, I think
Step-by-step explanation:
A photograph has a length that is 4 inches longer than its width, x. Its area is given by the expression x(x + 4). If the area o
1 answer:
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Focus on triangles DFC and DFE:
- They are both right triangles because DF is perpendicular to EC
- DC=DE
- DF is a common side
So, the two triangles are congruent. It follows that CF=FE, and in particular
And since x=3, the length of EF is