Senin, 22 Juni 2009
BANGUN RUANG ( SOAL )
1. The volume of a cone is 1256 cm3. If the height of the cone is 12 cm, then find the length of the cone radius (p = 3.14).
2. The base radius of a cone is 3.5 m, the volume of the cone is 115.5 m3, the value of p = 22/7 Find the height of the cone.
3. Find the radius of a sphere in which the volume is 288p cm3.
4. Find the radius of a sphere in which its surface area is 616 m2 and p = 22/7 .
5. A sphere-like balloon has a radius of 3 cm. The balloon is inflated to reach a radius of 7 cm. Find the difference in volume between before and after it is inflated.
5. A box is made to contain 12 tennis balls as shown in the figure on the right. If the radius of each ball is 4.6 cm, find the perimetre of the smallest possible rectangle that will take the balls.
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5 komentar:
sudah bagus bos blogernya. lanjutkan.
bagus
bagus bos. lanjutkan.
pak soalnya bangun ruang saya gak bisa kerjakan dan tolong beri komentar pembahasannya
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