cormac2 cormac2
  • 14-05-2021
  • Mathematics
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Respuesta :

osa16
osa16 osa16
  • 14-05-2021

Answer:

A = 4πcm, 6πcm²

B = 45°, 35πcm²

C = 12m, 18.7πm or 19πm

Step-by-step explanation:

Formulas used...

Length of an arc of a sector = (¢/360)×2πr

Area of sector = (¢/360)×πr²

¢ means the angle given or used

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