Home
Class 9
MATHS
The figure given below shows the cross-s...

The figure given below shows the cross-section of a concrete structure. Calculate the area of cross-section if AB = 1.8 m, CD = 0.6 m, DE = 0.8 m, EF = 0.3 m and AF = 1.2 m.

Text Solution

Verified by Experts

The correct Answer is:
2.46 sq.m
Promotional Banner

Topper's Solved these Questions

  • AREA AND PERIMETER OF PLANE FIGURES

    ICSE|Exercise EXERCISE 20(C)|27 Videos

  • AREA AND PERIMETER OF PLANE FIGURES

    ICSE|Exercise EXERCISE 20(D)|12 Videos

  • AREA AND PERIMETER OF PLANE FIGURES

    ICSE|Exercise EXERCISE 20(A)|18 Videos

  • AREA THEOREMS

    ICSE|Exercise Exercies 16(C )|22 Videos

Similar Questions

Explore conceptually related problems

A nichrome wire uniform cross-sectional area is bent to form a rectangular loop ABCD. Another nichrome wire of the same cross-section is connected to form the diagonal AC. Find out the ratio of the resistances across BD and AC if AB = 0.4 m and BC = 0.3 m.

Resistance of the conductor of length 5m and area of cross -section 4 mm^(2) s 0.02 Omega . Its resistivity is

What is the magnitude of a force which produces a pressure of 7000 Pa while acting on a surface of area of cross-section 0.25 m^(2) ?

A non-viscous liquid of constant density 500 kg//m^(3) flows in a variable cross-sectional tube. The area of cross section of the tube at two points P and Q at heights of 3 m and 6 m are 2 xx 10^(-3) m^(3) and 4 xx 10^(-3) m^(3) , respectively. Find the work done per unit volume by the forces of gravity as the fluid flows from point P to Q .

The cross-section of a tunnel is a square of side 7 m surmounted by a semicircle. Calculate: its floor area. The tunnel is 80 m long.

The following figure shows the cross-section ABCD of a swimming pool which is a trapezium in shape. If the width DC, of the swimming pool is 6.4 m, depth (AD) at the shallow end is 80 cm and depth (BC) at the deepest end is 2.4 m, find its area of cross-section.

The length of the two rods made up of the same metal and having the same area of cross-section are 0.6 m and 0.8 m respectively. The temperature between the ends of first rod is 90^(@) C and 60^(@) C and that for the other rod is 150 and 110^(@) C. For which rod the rate of conduction will be greater

The workdone in increasing the length of a one metre long wire of cross - sectional area 1 m m^(2) through 1mm will be (Y=2xx10^(11)Nm^(-2)) :

What is the area of cross-section of a body in m^(2), when it exerts a force of 50 N and produces a pressure of 2000 Pa?

The area of cross section of press plunger of a hydraulic press is 4 m^2 . It is required to overcome a resistiveload of 400 kg on it. Calculate the force required on the pump plunger if the area of cross section of the pump plunger is 0.01 m^2 .

ICSE-AREA AND PERIMETER OF PLANE FIGURES-EXERCISE 20(B)
  1. The perimeter of a rhombus is 52 cm. If one diagonal is 24 cm, find : ...

    Text Solution

    |

  2. The perimeter of a rhombus is 46 cm. If the height of rhombus is 8 cm,...

    Text Solution

    |

  3. The figure given below shows the cross-section of a concrete structure...

    Text Solution

    |

  4. Calculate the area of the figure given below : which is not drwn to sc...

    Text Solution

    |

  5. The following diagram shows a pentagonal field ABCDE in whhich the len...

    Text Solution

    |

  6. A footpath of uniform width runs all around the outside of a rectangul...

    Text Solution

    |

  7. A wire when bent in the form of a square encloses an area of 484 m^(2...

    Text Solution

    |

  8. A wire when bent in the form of a square encloses an area of 484 m^(2...

    Text Solution

    |

  9. For each terapezium given below, find its area.

    Text Solution

    |

  10. For each trapezium given below, find its area.

    Text Solution

    |

  11. For each trapezium given below, find its area.

    Text Solution

    |

  12. For each trapezium given below, find its area.

    Text Solution

    |

  13. The perimeter of a rectangular board is 70 cm. Taking its length as x ...

    Text Solution

    |

  14. The area of a rectangle is 640 m^(2). Taking its length as x m, find,...

    Text Solution

    |

  15. The length of a rectangle is twice the side of a square and its width ...

    Text Solution

    |

  16. ABCD is a square with each side 12 cm. P is a point on BC such that ar...

    Text Solution

    |

  17. A rectangular plot of land measures 45mxx30m. A boundary wall of heigh...

    Text Solution

    |

  18. A wire when bent in the form of a square encloses an area = 576 cm^(2)...

    Text Solution

    |

  19. A wire when bent in the form of a square encloses an area = 576 cm^(2)...

    Text Solution

    |

  20. The area of a parallelogram is y cm^(2) and its height is h cm. The ba...

    Text Solution

    |