To convert 9cm to inches, we need to use the fact that 1 inch is equal to 2.54 centimeters. This means that we can convert cm to inches by dividing the length in cm by 2.54.
Step 1: Write down the given value
In this case, the given value is 9cm.
Step 2: Set up the conversion equation
We know that 1 inch is equal to 2.54 cm. So, we can set up the following equation:
1 inch = 2.54 cm
Step 3: Set up the conversion fraction
To convert cm to inches, we need to write down the conversion fraction using the given equation:
1 inch / 2.54 cm
Step 4: Multiply the given value by the conversion fraction
To convert 9cm to inches, we need to multiply 9cm by the conversion fraction we set up in step 3:
9cm x (1 inch / 2.54 cm)
Step 5: Cancel out the common unit (cm)
In the conversion fraction, cm is present in both the numerator and denominator. This means we can cancel out the unit and be left with only inches:
9cm x (1 inch / 2.54 cm) = 9 x (1 inch)
= 9 inches
Step 6: Write the final answer
The final answer is 9 inches.
Therefore, 9cm is equal to 9 inches.