Respuesta :

Step-by-step explanation:

Area of Sector

= θ/360° * πr² (degrees) or 0.5r²θ (radians)

Question 11:

  • (88°)/360° * π(19)² = 277.23ft².

Question 12:

  • (260°)/360° * π(11)² = 274.54mi².

Question 13:

  • 0.5(6.2)²(7π/12) = 35.22km².

Question 14:

  • 0.5(7.1)²(5π/3) = 131.97cm².

Question 15:

  • (215°)/360° * π(4.5)² = 37.99yd².

Question 16:

  • 0.5(21.4)²(13π/18) = 519.54m².

here is the answers!

Area of Sector

= θ/360° * πr² (degrees) or 0.5r²θ (radians)

Question 11:

(88°)/360° * π(19)² = 277.23ft².

Question 12:

(260°)/360° * π(11)² = 274.54mi².

Question 13:

0.5(6.2)²(7π/12) = 35.22km².

Question 14:

0.5(7.1)²(5π/3) = 131.97cm².

Question 15:

(215°)/360° * π(4.5)² = 37.99yd².

Question 16:

0.5(21.4)²(13π/18) = 519.54m².

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