Question

Ayuda plis!doy corona​

Answer 1

$a) \\\begin{aligned}\text{Radio}&=10\\&\downarrow\\\text{Diametro}&=10\times2\\&=20\\\text{Area}&=\pi\times10^2\\&=314.16\\\text{Circunferencia}&=2\pi\times10\\&=62.83\\\end{aligned}$

$b) \\ \begin{aligned}\text{Radio}&=5\\&\downarrow\\\text{Diametro}&=5\times2\\&=10\\\text{Area}&=\pi\times5^2\\&=78.54\\\ \text{Circunferencia}&=2\pi\times5\\&=31.42\\\end{aligned}$

$c) \\ \begin{aligned}\text{Radio}&=2.5\\&\downarrow\\\text{Diametro}&=2.5\times2\\[ \\ &=5 \\ \text{Area}&=\pi\times2.5^2\\&=19.63\\\text{Circunferencia}&=2\pi\times2.5\\&=15.71\\\end{aligned}$

$d) \\ \begin{aligned}\text{Radio}&=17.5\\&\downarrow\\\text{Diametro}&=17.5\times2\\&=35\\\text{Area}&=\pi\times17.5^2\\&=962.11\\\text{Circunferencia}&=2\pi\times17.5\\&=109.96\\\end{aligned}$

espero ayudar ❤