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Yogita Ingle 5 years, 6 months ago
perimeter of rectangle = 80cm
2(l + b) = 80
l + b = 80/2 = 40
l + b= 40 ..... (i)
and area = 400sq cm
lb = 400
l = 400/b ......... (ii)
Put (ii) in (i) , we get
400/b + b = 40
400 + b2 = 40b
b2 - 40b + 400 = 0
(b- 20 ) (b - 20) = 0
b = 20 cm
But b = 20 in (i) we get
l = 20 cm
Posted by Harshit Shinde 5 years, 6 months ago
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Yogita Ingle 5 years, 6 months ago
Perimeter of carrom baord = 320 = 4 side
side = 320/4 = 80 cm
So, area of a square carrom board = side × side = 80 × 80 = 6400 sq. cm
Posted by Shraavya Mishra 5 years, 6 months ago
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Yogita Ingle 5 years, 6 months ago
The formal definition for the vertex meaning in Maths defined as a point where two or more edges meet. Vertices are the corner points.
- Cubes and cuboids have 8 vertices.
- Cones have 1 vertex.
- Cylinders have no vertex.
- Spheres have no vertex (the surface is a curve).
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Meghna Thapar 5 years, 6 months ago
In math, volume can be defined as the 3-dimensional space enclosed by a boundary or occupied by an object.
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Yogita Ingle 5 years, 7 months ago
A line segment is a part of a line having two endpoints. The measure of a line segment is called its length.
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Abhinand Menadath 5 years, 7 months ago
Yogita Ingle 5 years, 7 months ago
Square is 2D figure. 2D figure don't have volume. SO, square don't have volume.
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Anu Preethi 5 years, 7 months ago
Yogita Ingle 5 years, 7 months ago
For any polyhedron,F + V – E = 2
where ‘F’ stands for number of faces, V stands for number of vertices and E stands for number of edges.
This relationship is called Euler’s formula.
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Drishti Dubey 5 years, 6 months ago
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