Selina Concise Mathematics Class 9 ICSE Solutions Area and Perimeter of Plane Figures
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APlusTopper.com provides step by step solutions for Selina Concise Mathematics Class 9 ICSE Solutions Chapter 20 Area and Perimeter of Plane Figures. You can download the Selina Concise Mathematics ICSE Solutions for Class 9 with Free PDF download option. Selina Publishers Concise Mathematics for Class 9 ICSE Solutions all questions are solved and explained by expert mathematic teachers as per ICSE board guidelines.
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Selina ICSE Solutions for Class 9 Maths Chapter 20 Area and Perimeter of Plane Figures
Exercise 20(A)
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Since the perimeter of the isosceles triangle is 36cm and base is 16cm.
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Exercise 20(B)
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We need to find the cost of carpeting of 80 cm = 0.8 m wide carpet, if the rate of carpeting is Rs. 25. Per metre.
Then
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In the given figure, we can observe that the non-parallel sides are equal and hence it is an isosceles trapezium.
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Exercise 20(C)
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From the given data, we can calculate the area of the outer circle and then the area of inner circle and hence the width of the shaded portion.
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Their is no Ex 20D
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Where is d exercise
Please post ex 20(d).
Yes please post ex 20(D)
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Answer of prachi publications
Class 9
And geography too
For Sacred Heart School
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First question is not match with book
I have a doubt in exercise 20(B) question no. 16 .
You have find the AREA of the floor left uncovered in the question but you have used the formula of PERIMETER 2(l+b). Why??
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