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12.6 Surface Area & Volume of Spheres

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Presentation transcript:

Pick Up your Warm Up Here! Good Morning! Pick Up your Warm Up Here!

What is the area of the small sector formed by PCQ? WARM UP #1 What is the area of the small sector formed by PCQ? 3.84 13.96 50.27 61.44

WARM UP #2 Find the area of the shaded region. 1102.70 376.99 40.84 18.85

Surface area and volume of spheres Notes 6.9 Surface area and volume of spheres Purple Book

formula

Ex.1 Find the surface area of the sphere

Ex.2 Find the surface area of a sphere with a diameter of 8cm. 201.06 268.08 804.25 1000.53

Ex.3 Find the surface area of a sphere if the area of its great circle is 2.25 𝑐 𝑚 2 .

EX. 4 The circumference of a great circle of a sphere is 15. 5𝜋 EX.4 The circumference of a great circle of a sphere is 15.5𝜋. What is the surface area of the sphere? 7.75 29797.03 2827.43 754.74

Ex.5 find the surface area of a hemisphere with a diameter of 6.2mm.

formula

Ex.6 find the volume of the spheres. a. b. 5.5 ft 12 m

Ex.7 find the volume of a sphere with a radius of 3 ft. 339.29 37.70 113.10 84.82

Ex. 8 the area of the great circle of a sphere is 18 𝑖 𝑛 3 Ex.8 the area of the great circle of a sphere is 18 𝑖 𝑛 3 . What is the volume of the sphere?

homework p.241 #2-16 even, 17-28