A builder makes staircases where each step is 28\,\text{cm}28cm28, start text, c, m, end text long and rises 18\,\text{cm}18cm18, start text, c, m, end text so people don't trip. Every staircase has a stringer — a diagonal support connecting all of the steps.

Step-by-step explanation:

According to the problem, the stringer for this staircase is the diagonla, which means it's the hypothenuse of the right triangle formed, where its legs are 28 centimeters and 18 centimeters. That means we need to use Pythagorean's Theorem to find the answer.

Therefore, each stringer is 33.3 centimeters long, approximately.

Therefore, each stringer is 33 centimeters long

Step-by-step explanation:

Therefore, each stringer is 33 centimeters long

step-by-step explanation: 4 cause 2+2=4

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