Question

area of a secyor of central angle 200° of a circle is 770cm².find the length of the corresponding arc of this sector.​

Answer 1

Answer:

73.33333333cm

Step-by-step explanation:

Area=

$\pi r^{2}\\\\\frac{200}{360}* \frac{22}{7}* r^{2} = 770cm^{2} \\\\r^{2} = 7*9*7 = 49*9\\r= 7*3\\r= 21cm$

Arc=

$2\pi r\\\\\frac{200}{360}*2* \frac{22}{7}* 21 =\frac{220}{3} \\\\=73.3333$

@request Mark me as Brainiest