Shape is correct. This is because we're talking about the door being rectangular, it is (B).
An example of the benefit of telehealth form the above options is "Doctors are able to use high-quality cameras to better diagnose patients during telehealth." (Option C)
<h3>What is Telehealth?</h3>
Telehealth is the delivery of health-related services and information via the use of electronic information and telecommunications technology.
It enables long-distance interaction between patients and clinicians, as well as care, guidance, reminders, education, intervention, monitoring, and remote admissions.
<h3>What are the benefits of Telehealth?</h3>
Using technology to offer health care has various benefits, including:
- cost savings
- convenience, and
- the potential to give treatment to persons with mobility issues or those living in remote locations who may not have access to a local doctor or clinic.
Learn more about Telehealth:
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<span>Johnson dubbed the domestic program the "Great Society" -- a sweeping set of New Dealish economic and welfare measures aimed at transforming the American way of life.</span>

1) x=9, because we can use the Pythagorean theorem, x^2 + 144 = 225, x^2 = 81
2)
, because 6^2 +6^2 = 72, 
3)
, because 
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