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Posted by Dev Siddhu 2 years, 10 months ago (14108753)
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Rani Raj 2 years, 10 months ago (13601513)
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Posted by Fit Ness 2 years, 10 months ago (13993390)
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M Akash 2 years, 10 months ago (13794771)
Vedita Mishra Veditamishra 2 years, 10 months ago (12379515)
Posted by Nilam Koli 2 years, 10 months ago (9247172)
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Preeti Dabral 2 years, 10 months ago (2983787)
हाँ बूढ़ी अम्मा पहले से जानती थीं कि एक्की और दोक्की उनके घर आने वाली हैं। बूढ़ी अम्मा ने एक्की तथा दोक्की के लिए पहले से नहाने का पानी और तेल रखा था। इससे हमें पता चला।
Posted by Mohd Kaif 2 years, 10 months ago (13622360)
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Preeti Dabral 2 years, 10 months ago (2983787)
There are very large number of buyers and sellers. The products sold are homogeneous in nature that means they are identical in all respects. The buyers and sellers have perfect knowledge of the market. Every seller has the freedom to enter or exit the industry.
Posted by Mohd Kaif 2 years, 10 months ago (13622360)
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Preeti Dabral 2 years, 10 months ago (2983787)
The means of transportation and communication are called the lifelines of a nation and its economy due to the following reasons:
- The means of transportation and communication play an important role in the production and movement of goods and services.
- Transport helps in the development of various means of communication. Through means of communication, we are able to talk with anyone anywhere. It has brought the world closer.
- Transport like railways helps us in business, sightseeing, pilgrimage and transportation of goods over longer distances.
- Pipelines are used for transporting crude oil, minerals in slurry form and natural gas to interior refineries and factories.
- Water transport, being the cheapest means of transport is useful for international trade.
- Air transport provides the fastest, most comfortable mode of transport even in hilly areas.
Thus, it is clear that the means of transportation and communication help in the development of the country. So they are called the lifelines of a nation and its economy.
Posted by Anurag Shahi 2 years, 10 months ago (13374068)
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Prince Mandal 2 years, 10 months ago (13894067)
Malavika Sanu 2 years, 10 months ago (13435771)
Posted by Mahvish Zeya 2 years, 10 months ago (13925328)
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Kuldeep Yadav 2 years, 10 months ago (7079831)
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Posted by Saurabh Yadav 2 years, 10 months ago (14161825)
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Posted by Berry Allen 2 years, 10 months ago (12165995)
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Posted by Piyush Kumar 2 years, 10 months ago (14161768)
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Preeti Dabral 2 years, 10 months ago (2983787)
Given: {tex}\triangle {/tex}ABC {tex} \sim {/tex} {tex}\triangle {/tex}DEF
AM is a median in {tex}\triangle {/tex}ABC and DN is the corresponding median in {tex}\triangle {/tex}DEF
To prove: {tex}\frac{{area\vartriangle ABC}}{{area\vartriangle DEF}} = \frac{{A{M^2}}}{{D{N^2}}}{/tex}
Proof: {tex}\triangle {/tex}DBC {tex} \sim {/tex} {tex}\triangle {/tex}DEF
{tex}\Rightarrow {/tex} {tex}\angle{/tex} A = {tex}\angle{/tex} D, {tex}\angle{/tex} B = {tex}\angle{/tex} E, {tex}\angle{/tex} C = {tex}\angle{/tex} F and
{tex}\frac{{AB}}{{DE}} = \frac{{BC}}{{EF}} = \frac{{AC}}{{DF}}{/tex}
Also, {tex}\frac{{area\vartriangle ABC}}{{area\vartriangle DEF}}{/tex}={tex}\frac{{A{B^2}}}{{D{E^2}}} = \frac{{B{C^2}}}{{E{F^2}}} = \frac{{A{C^2}}}{{D{F^2}}}{/tex}........(i)[area theorem]
Now,{tex}\frac{{AB}}{{DE}} = \frac{{BC}}{{EF}} = \frac{{\frac{1}{2}BC}}{{\frac{1}{2}EF}} = \frac{{BM}}{{EN}}{/tex}..............(ii)
In {tex}\triangle {/tex}ABM and DEN
{tex}\angle{/tex} B= {tex}\angle{/tex} E and {tex}\frac{{AB}}{{DE}} = \frac{{BM}}{{EN}}{/tex} [From (ii)]
{tex}\Rightarrow {/tex} {tex}\triangle {/tex}ABM {tex} \sim {/tex}{tex}\triangle {/tex}DEN [SAS similarity]
{tex}\Rightarrow {/tex}{tex}\frac{{area\vartriangle ABM}}{{area\vartriangle DEN}} = \frac{{A{B^2}}}{{D{E^2}}} = \frac{{A{M^2}}}{{D{N^2}}} = \frac{{B{M^2}}}{{E{N^2}}}{/tex}............(iii)
From (i) and (iii), we get
{tex}\frac{{area\vartriangle ABC}}{{area\vartriangle DEF}} = \frac{{A{M^2}}}{{D{N^2}}}{/tex}
Posted by Abinaya Anguraj 2 years, 10 months ago (7538731)
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Posted by Krishna Ghuge 2 years, 10 months ago (14161666)
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Nishil Patel 2 years, 10 months ago (11472715)
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Ashtmita Thakur 2 years, 10 months ago (13544572)
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Kavyansh Kumar 2 years, 10 months ago (14142925)
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Posted by Kavya Gupta 2 years, 10 months ago (13660401)
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Vidit Chhaleria 2 years, 10 months ago (14190906)
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Posted by Rahul Purohit 2 years, 10 months ago (14161453)
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Preeti Dabral 2 years, 10 months ago (2983787)
The first principle of biomechanics is motion, how an object or body moves through space. The Second element is force, the pull or push that enables an object to change direction, slow down or stop. The third principle is momentum, the velocity and weight of an object as it moves.
Posted by Fathima Fidha N 2 years, 10 months ago (14161427)
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Atharv Wankhade 2 years, 10 months ago (11082813)
Atharv Wankhade 2 years, 10 months ago (11082813)
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