Establish what information you DO have.
Perimeter of a triangle = (length of the first side) plus (length of the second side) plus (length of the third side)
In order to find the unknown term in a number sequence, you first need to calaculate the advantage of the numbers.
Measure the length of the diameter in suitable units!
To measure your stride length, first, find a flat, straight path and mark a starting point. Walk a certain distance (like 20-30 feet) at your normal pace, then mark the end point. Measure the distance between the two marks and divide that by the number of steps taken to cover that distance. This will give you your average stride length.
A distance of 1-1/2 miles was the original length of the Kentucky Derby racetrack. That was the distance for the first 20 years, 1875-1895. As of 1896, the distance was shortened to 1-1/4 miles.
To measure bicycle stem length, first remove the handlebars and measure the distance from the center of the handlebar clamp to the center of the steerer tube. This measurement will give you the accurate length of the bicycle stem.
You have to do all of the puzzles first, then you can get all of the unknown.
To determine the bike chain length, first measure the distance between the front and rear sprockets. Add half the number of teeth on each sprocket, then add 1. This total is the ideal chain length in links.
The first integer is unknown. That is because the numbers can keep going on and they never stop. Therefore the answer is unknown.
Distance is stressed on the first syllable.
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