Exercise 9.5 Class 7th Math kpk and PTB new course 2023| unit 9 Surface,Area and volume Part-2
Автор: Math & NTS tricks
Загружено: 2023-01-21
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In This vedio I have Solved Exercise 9.5 class 7th Mathematics kpk and Punjab Textbook Singla National Curriculum 2023. Question 2 to Question 7.
3 Find the volume of a cylinder whose height is 8.8 cm and radius is 2.7 cm.
The volume of a cylinder is 233.34 cm³ and height is 8 cm. Find the radius of the
circular region of the cylinder.
The radius of a beaker is 6 cm and its volume is 3242 cm³. Find the height of
the beaker.
-mo E = (r)
6 Find the radius of a cylinder if it has a height of 7.2 cm and its volume is 4321 cm'.
A hollow iron pipe has an internal radius of 7.5 cm and an
external radius of 10.2 cm. If the length of pipe is 0.35
metres, find the volume of iron used in making the pipe.
10.2 c
0.35 m
8 A cylindrical shaped pipe is 12.3 cm long. Find the surface area of the pipe if
its diameter is 12 cm.
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