Suatu kerucut memiliki garis pelukis 13 cm dan keliling alasnya 31,4 cm Tinggi kerucut adalah
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- Jari-jari alas
→ k ÷ 2π
→ 31,4 cm ÷ (2 × 3,14)
→ 31,4 cm ÷ 6,28
→ 5 cm
- Tinggi kerucut
[tex] \tt = \sqrt{ {s}^{2} - {r}^{2} } [/tex]
[tex] \tt = \sqrt{ {13}^{2} - {5}^{2} } [/tex]
[tex] \tt = \sqrt{169 - 25} [/tex]
[tex] \tt = \sqrt{144} [/tex]
= 12 cm
[tex]\purple{\boxed{\blue{\boxed{\green{\star{\orange{\ \: \: \mathcal{JK} \: \: \: {\green{\star}}}}}}}}} [/tex]
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