Final answer:
A quarter section, which is 1/2 mile long in agriculture in Alberta, is equal to 804.67 metres.
Step-by-step explanation:
To determine the length of a quarter section in metres, we need to convert the given length from miles to metres. One mile is approximately equal to 1609.34 metres. Therefore, a quarter section which is 1/2 mile long is equal to 1/2 * 1609.34 = 804.67 metres.