An 18-foot ladder is leaning against a vertical brick wall. The base of the ladder is 9 feet away from the wall.
1 answer:
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Answer:
The perimeter of the figure as a function of the number of triangles is .
Step-by-step explanation:
According to the diagram, we get the following facts:
i) For one triangle (), the total perimeter is (
).
ii) For two triangles (), the total perimeter is (
)
iii) For three triangles (), the total perimeter is (
)
iv) For four triangles (), the total perimeter is (
)
From these information we conclude that the equation that determines the perimeter of the figure as a function of the number of triangles is .
Answer:
x = 7
Step-by-step explanation: