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The problem asks us to determine the length of the line in the image, first in centimeters (cm) and then in millimeters (mm). The line is measured using a ruler.

ArithmeticUnit ConversionMeasurementMetric System
2025/3/24

1. Problem Description

The problem asks us to determine the length of the line in the image, first in centimeters (cm) and then in millimeters (mm). The line is measured using a ruler.

2. Solution Steps

First, observe the start and end point of the line on the ruler.
The line starts at 0 cm and ends at around 9.7 cm. Let's approximate the length to 9.7 cm.
Now, we need to convert the length from centimeters to millimeters. We know the following conversion formula:
1 cm=10 mm1 \text{ cm} = 10 \text{ mm}
Therefore, to convert from cm to mm, we multiply by
1
0.
Length in mm = Length in cm * 10
Length in mm = 9.7 cm×10=97 mm9.7 \text{ cm} \times 10 = 97 \text{ mm}

3. Final Answer

a) 9.7 cm
b) 97 mm

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