हिंदी

The Following Figure Shows a Solid of Uniform Cross-section. Find the Volume of the Solid. All Measurements Are in Centimeters. Assume that All Angles in the Figures Are Right Angles

Advertisements
Advertisements

प्रश्न

The following figure shows a solid of uniform cross-section. Find the volume of the solid. All measurements are in centimeters.
Assume that all angles in the figures are right angles.

योग
Advertisements

उत्तर

The given figure can be divided into two cuboids of dimensions 6 cm, 4 cm, 3 cm, and 9 cm respectively. Hence, volume of solid

= 9 x 4 x 3 + 6 x 4 x 3
= 108 + 72 
= 180 cm3.

shaalaa.com
Cross Section of Solid Shapes
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 20: Solids [Surface Area and Volume of 3-D Solids] - Exercise 21 (B) [पृष्ठ २७३]

APPEARS IN

सेलिना Concise Mathematics [English] Class 9 ICSE
अध्याय 20 Solids [Surface Area and Volume of 3-D Solids]
Exercise 21 (B) | Q 1 | पृष्ठ २७३

संबंधित प्रश्न

The following figure shows a solid of uniform cross-section. Find the volume of the solid. All measurements are in centimeters.

Assume that all angles in the figures are right angles.


A rectangular water-tank measuring 80 cm x 60 cm is filled form a pipe of cross-sectional area 1.5 cm2, the water emerging at 3.2 m/s. How long does it take to fill the tank?


A school auditorium is 40 m long, 30 m broad and 12 m high. If each student requires 1.2 m2 of the floor area; find the maximum number of students that can be accommodated in this auditorium. Also, find the volume of air available in the auditorium, for each student. 


The internal dimensions of a rectangular box are 12 cm x  `x` cm x 9 cm. If the length of the longest rod that can be placed in this box is 17 cm; find `x`.   


Find the length of 22 kg copper wire of diameter 0.8 cm, if the weight of 1 cm3 copper is 4.2 g.


The cross section of a piece of metal 2 m in length
is shown. Calculate the volume of the piece of metal.


The given figure is a cross -section of a victory stand used in sports. All measurements are in centimetres. Assume all angles in the figure are right angles. If the width of the stand is 60 cm, find The space it occupies in cm3.


The given figure is a cross -section of a victory stand used in sports. All measurements are in centimetres. Assume all angles in the figure are right angles. If the width of the stand is 60 cm, find The total surface area in m2.


The figure shows the cross section of 0.2 m a concrete wall to be constructed. It is 0.2 m wide at the top, 2.0 m wide at the bottom and its height is 4.0 m, and its length is 40 m. If the whole wall is to be painted, find the cost of painting it at 2.50 per sq m.


The cross section of a tunnel perpendicular to its length is a trapezium ABCD as shown in the figure. AM = BN; AB = 4.4 m, CD = 3 m The height of a tunnel is 2.4 m. The tunnel is 5.4 m long. Calculate the cost of flooring at the rate of Rs.2. 5 per m2.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×