Select the correct answer. Which triangles in the diagram are congruent? A. triangle 1 and triangle 2 B. triangle 1, triangle 2,
and triangle 3 C. triangle 1 and triangle 3 D. triangle 1, triangle 3, and triangle 4
1 answer:
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The expression used for the length of ribbon that she needs for both pillows will be .
The total length of the pillow she needs will be 130 inches.
Given,
The side length of pillow is .
The side length of another pillow is .
We know that perimeter of square will be,
So the perimeter of pillow will be,
Similarly, the perimeter of another pillow will be,
]
Hence,the total length of ribbon that she needs for both the pillows will be,
If then the total length of ribbon will be,
.
Thus the required expression will be and the total length of ribbon she needs will be 130 inches.
So, the correct option will be (D).
For more details on perimeter of square follow the link: