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CBSE Class 8 Answered

The walls and ceiling of a room are to be plastered with cement.if the length, breath and height of the room are respectively 4.5m,3m and 3.5m, find the area to be plastered.
Asked by amanamrit025 | 08 Oct, 2022, 05:43: PM
answered-by-expert Expert Answer
length comma space breath space and space height space of space the space room space are space respectively space 4.5 straight m comma space 3 straight m space and space 3.5 straight m Walls space area space equals 2 lh plus 2 bh space equals space 52.5 straight m squared Celling area space equals space lb space equals space 13.5 straight m squared Total space area space equals space 66 straight m squared
Answered by Arun | 20 Oct, 2022, 10:04: AM

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CBSE 8 - Maths
The walls and ceiling of a room are to be plastered with cement.if the length, breath and height of the room are respectively 4.5m,3m and 3.5m, find the area to be plastered.
Asked by amanamrit025 | 08 Oct, 2022, 05:43: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
if side of cube is 9.5 cm.then find total surface area
question image
Asked by gurpreet05132 | 07 Jan, 2021, 01:36: PM
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CBSE 8 - Maths
A cuboidal tin box opened at top has dimension 20^16^14cm. What is the total area of metal sheet required to make 10 such boxes  
Asked by arnavrath11 | 24 Jan, 2020, 10:42: AM
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CBSE 8 - Maths
how to find side when surface area is given?
Asked by Savithrisavithri0145 | 04 Jan, 2020, 07:18: AM
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CBSE 8 - Maths
The whole surface area of cuboid is 214 cm^2  , volume is 210 cm^3 , and the area of base is 42 cm^2 ..find its edges ?      Ans - 7cm , 6cm , 5cm
Asked by Mohdayaz9921 | 02 Feb, 2019, 08:22: PM
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CBSE 8 - Maths
The breadth, length and height of a solid wood is in the ratio 3 5 8. By what part should the lenth and height be cut off to make a cube
Asked by Nimmi | 23 Jan, 2019, 11:52: AM
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CBSE 8 - Maths
Four cubes of edge 5 cm each are placed side by side and stuck together . If the outer surface alone is painted at Rs 300 per meter square , find the cost of painting
Asked by deepikankur | 17 Mar, 2018, 06:55: PM
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CBSE 8 - Maths
Find the total surface area of following cuboid.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 8 - Maths
Find the surface area of cubes with edge (i) 5 cm (ii) 2.9 cm.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 8 - Maths
The dimensions of a cuboidal tin box are 30 cm x 40 cm x 50 cm. Find the cost of the tin required for making 20 such tin boxes if the cost of tin sheet is Rs 25 per square meter.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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