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Sagot :
[tex] \: \huge{{{\sf{⊱\green{\mathbb{H}}i \:\pink{\mathbb{B}}rainly \:\blue{\mathbb{U}}ser⊰}}}}[/tex]
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Solve for the surface area.
[tex]{ \large{ \underline{ \overline{ \boxed{ \blue{\sf { 1.) \: Surface \: Area=1,808.64cm²}}}}}}}[/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \: [/tex]
- Sphere
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \: [/tex]
Given : radius - 12cm
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \: [/tex]
[tex]\large{{{\sf{:\Longrightarrow \:Surface \: Area _{sphere} = 4\pi r {}^{2} }}}}[/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \: [/tex]
[tex]\large{{{\sf{:\Longrightarrow \:Surface \: Area _{sphere} = 4(3.14)(12cm){}^{2} }}}}[/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \: [/tex]
[tex]\large{{{\sf{:\Longrightarrow \:Surface \: Area _{sphere} = 4(3.14)(144cm) }}}}[/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \: [/tex]
[tex]\large{{{\sf{:\Longrightarrow \:Surface \: Area _{sphere} = 4(452.16cm) }}}}[/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \: [/tex]
[tex]\large\red{{{\sf{:\Longrightarrow \:Surface \: Area _{sphere} = 1,808.64cm {}^{2} }}}}[/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \: [/tex]
[tex]{ \large{ \underline{ \overline{ \boxed{ \blue{\sf { 2.) \: Surface \: Area=2,066.12cm²}}}}}}}[/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \: [/tex]
- Cone
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \: [/tex]
Given : slant height - 33cm , radius - 14cm
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \: [/tex]
[tex]\large{{{\sf{:\Longrightarrow \:Surface \: Area _{cone} =\pi rs + \pi r {}^{2} }}}}[/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \: [/tex]
[tex]\large{{{\sf{:\Longrightarrow \:Surface \: Area _{cone} =3.14 (14cm)(33cm)+ 3.14(14cm) {}^{2} }}}}[/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \: [/tex]
[tex]\large{{{\sf{:\Longrightarrow \:Surface \: Area _{cone} =3.14 (14cm)(33cm)+ 3.14(196cm) }}}}[/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \: [/tex]
[tex]\large{{{\sf{:\Longrightarrow \:Surface \: Area _{cone} =3.14 (462cm)+ 3.14(196cm) }}}}[/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \: [/tex]
[tex]\large{{{\sf{:\Longrightarrow \:Surface \: Area _{cone} =1,450.68cm+ 615.44cm }}}}[/tex]
[tex] \: \: \: \: \: \: \: \: \: \: \: \: \: [/tex]
[tex]\large\red{{{\sf{:\Longrightarrow \:Surface \: Area _{cone} = 2,066.12cm {}^{2} }}}}[/tex]
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[tex] \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: [/tex]
Have a nice day!<3
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