priscammesoma priscammesoma

01-06-2020
Mathematics

contestada

a chord of a circle 8 cm long subtends an angle of 120 degree at the center find the radius of the circle

Respuesta :

wolf1728 wolf1728

01-06-2020

Answer:

Chord = 2 • sine (Central Angle) • radius

radius = 8 cm / 2 * 0.86603

radius = 4.6187776405 cm

Step-by-step explanation:

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