Solve the Problem $45 \sqrt { 2 } \mathrm {~cm}$ B) $45 \mathrm {~cm}$

question 11

Multiple Choice

Solve the problem.
-A square sheet of paper measures 45 centimeters on each side. What is the length of the diagonal of this paper?

• A) \(45 \sqrt { 2 } \mathrm {~cm}\)
• B) \(45 \mathrm {~cm}\)
• C) \(4050 \mathrm {~cm}\)
• D) \(90 \mathrm {~cm}\)

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Definitions:

Participants' Expectations

Refers to the beliefs or assumptions held by individuals participating in a study about what will happen to them or what they are supposed to do, which can influence the outcomes of research.

Single-blind Study

A research experimental design in which the participants do not know which group (experimental or control) they are in, to prevent bias, while the researchers do.

Experimental Group

the group in an experiment that receives the treatment or intervention being tested.

Control Group

In experimental research, the group of subjects not exposed to the treatment or intervention being tested, serving as a benchmark to measure the effects of the treatment.