burningdarkangel47 burningdarkangel47

30-04-2019
Mathematics

contestada

A 9-cm chord is 11 cm from the center of a circle.
What is the radius of the circle?
C. 13.0 cm
B. 11.9 cm
A. 9.0 cm
D. 14.2 cm

Respuesta :

faithabatten faithabatten

06-05-2019

Answer: b 11.9

Step-by-step explanation:

the chord and the line to the center can be used to create a triangle

the radius is the hypotenuse of this triangle

4.5squared + 11 squared= 11.9

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