Cuanto vale radio de un circulo de 706?

Respuesta : <img src="https://tex.z-dn.net/?f=r%3D15%5C%2Ccm" />Explicación paso a paso : <img src="https://tex.z-dn.net/?f=%5Ctextbf%7BBasta%20despejar%20el%20radio%2C%20de%20la%20f%5C%27ormula%20para%20el%20%5C%27area%20obteni%5C%27endose%3A%7D%20%5C%5C%5C%5CA%3D%5Cpi%2Ar%5E%7B2%7D%5C%5Cr%5E%7B2%7D%3D%5Cfrac%7BA%7D%7B%5Cpi%7D%5C%5Cr%3D%5Csqrt%7B%5Cfrac%7BA%7D%7B%5Cpi%7D%7D%5C%5C%5C%5C%5Ctextbf%7BSustituyendo%20los%20valores%20dados%2C%20en%20la%7D%5C%5C%5Ctextbf%7Bexpresi%5C%27on%20despejada%3A%7D%5C%5C%5C%5Cr%3D%5Csqrt%7B%5Cfrac%7B706.5%5C%2Ccm%5E%7B2%7D%7D%7B%5Cpi%7D%7D%5C%5Cr%3D14.9%5C%2Ccm%5Capprox%2015%5C%2Ccm" />.