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BRAINLIEST + FOLLOW HELP NEED THIS NOW

DIRECTIONS: Derive the surface area formula of the solid figures using its nets.
(2 pts each)​

BRAINLIEST FOLLOW HELP NEED THIS NOWDIRECTIONS Derive The Surface Area Formula Of The Solid Figures Using Its Nets2 Pts Each class=

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9-10) Rectangular Prism

Formula:A=2(wl+hl+hw)

11-12) Cube

Formula:A=6a2

13-14) Pyramid

Formula:A= 1⁄2(a × b) + 3⁄2(b × s)

15-16) Sphere

Formula:A=4πr2

17-18) Cone

Formula:A=πr(r+h2+r2)

19-20) Cylinder

Formula:A=2πrh+2πr2

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