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Yogita Ingle 5 years, 9 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, 9 months ago
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Yogita Ingle 5 years, 9 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, 9 months ago
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Yogita Ingle 5 years, 9 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, 8 months ago
Will and would are verbs, and each can be used many different ways. Will can be a present tense verb that means to cause something to happen through force of desire. Would is a past tense form of will. It is also a conditional verb that indicates an action that would happen under certain conditions.
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Ffv Pandey 5 years, 9 months ago
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Gaurav Seth 5 years, 9 months ago
प्रश्न. बड़ी संख्या में इमारतें बनने से बाढ़ और अकाल का खतरा कैसे पैदा होता है?
उत्तर- बड़ी संख्या में इमारतें बनाने के लिए मनुष्य ने समंदर, नदी-नालो आदि का भराव किया तथा अंधाधुंध वन काटे जिससे बाढ़ और अकाल का खतरा पैदा होता है|
Posted by Ahmad Faridi 5 years, 9 months ago
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Yogita Ingle 5 years, 9 months ago
Lichens are made up of two tiny living things: a fungus and an alga. The fungus and the alga benefit from living together. The alga produces food, and the fungus gathers water. In this way a lichen can survive harsh weather that would kill a fungus or an alga growing alone
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Yogita Ingle 5 years, 9 months ago
Gravity: A force that attracts a body towards the centre of the earth, or towards any other physical body having mass.
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Deepraj Dhar 5 years, 9 months ago
Aayushman Paul 5 years, 9 months ago
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Varun Goyal 5 years, 9 months ago
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