RUMADI S.Pd

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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1. Someone wants to make a cylinder with the volume of 600 cm³. If the radius of the base of the cylinder is 5 cm, what is the height of the cylinder?

ARTINYA

1. Seseorang membuat silinder dengan volume 600 cm3. jika diameter silinder 5 cm , berakah tinggi silinder tersebut ?

2. If the volume of a cylinder is 135 p cm³ and the height is 15 cm, what is the radius of the cylinder?

3. The radius of a cylindrical tank is enlarged so that its radius is twice larger than before. Find how much larger is its volume after being enlarged.

artinya :

3. Diameter sebuah tabung diperbesar sehingga diameternya 2 kali lebih besar dari sebelumnya Tentukan berapa besar volume sesudah diperbesar.

4. The surface of a swimming pool has a circle in shape with circumference of 77 meters. Calculate how much water is needed to fill in the pool if the height is 1.2 meters.

artinya

4. Permukaan kolam renang berbentuk sebuah lingkaran dengan keliling 77 m

hitunglah berapa banyak air yang dibutuhkan untuk mengisi kolam jika tingginya 1,2 m