marissasabino111
21.01.2020 •
Mathematics
What is the length of the radius, r? 8 units 10 units 12 units 16 units
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Ответ:
10 units
Step-by-step explanation:
The complete question is:
Line segment KL is tangent to circle J at point K.
What is the length of the radius, r?
see the attached figure
we know that
KL is perpendicular to KJ ----> because KL is tangent to circle J at point K
so
Triangle KLJ is a right triangle
Applying the Pythagorean Theorem
substitute the given values
solve for r
Ответ:
binomial