A small indoor greenhouse (herbarium is made entirely of glass panes (including base) held together with tape. It is 30 cm long, 25 cm wide and 25 cm high. What is the surface area of the glass ?
A small indoor greenhouse (herbarium is made entirely of glass panes (including base) held together with tape. It is 30 cm long, 25 cm wide and 25 cm high. How much of tape is needed for all the 12 edges ?
Find the total surface area of a cuboid which is 6 cm long, 7 cm wide and 8 cm high.
The length of a rectangle is 7.1 cm and its breadth is 2.5 cm. What is the area of the rectangle?
Find the area in square metre of a piece of cloth 1m 25 cm wide and 2m long.
The radii of curvature of the faces of a double convex lens are 20 cm and 30 cm. Its focal length is 24 cm. What is the refractive index of the glass?
A table measures 2 m 25 cm by 1 m 50 cm.What is its area is square metres?
An iron pipe 20 cm long has exterior equal to 25 cm. If 1 cm is thickness of the pipe. Find the whole surface area of the pipe.
How many planks of dimensions (5mxx25cmxx10cm) can be stored in a pit which is 20 m long, 6m wide and 80 cm deep?
NAND LAL PUBLICATION-SURFACE AREAS AND VOLUMES-Exercise 13.9
