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Ask QuestionPosted by Neshok Ls 5 years ago (10299150)
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Gaurav Seth 5 years ago (2898529)
The angle subtended by the diameter of a semicircle is 90o
To prove : ∠APB=90o
∵ We know angle subtended by an arc at centre is double the angle subtended at any point or circumference.
⇒ Angle subtended by arc AB at O= Double the angle subtended at P
⇒∠AOB=2∠APB
∵AOB is a straight line.
⇒∠AOB=1800
⇒2∠APB=180o
⇒∠APB=90o
∴ Angle subtended by arc AB or semi circle is 90o
<section> </section>Posted by Pari Bafna 5 years ago (9505648)
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Anu Sharma 5 years ago (10312877)
Posted by Neshok Ls 5 years ago (10299150)
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Posted by Neshok Ls 5 years ago (10299150)
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Gaurav Seth 5 years ago (2898529)
Given:
- The sides of the triangle are 8cm,11cm and 13cm.
Need to find:
- Area of the triangle
a = 8cm
b = 11cm
c = 13cm
Perimeter of the ∆ = a+b+c
Semi-perimeter = a+b+c/2
Area of ∆
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The future of our planet is in danger. The current types and levels of development are not sustainable as these are over exploiting natural resources and depleting the environment. if the resources continue to be exploited by a few greedy individuals, it would lead to various socio-economic and environmental issues. There is need for sustainable development, that is, current development does not compromise with the needs of the future generations.
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Following mail services are provided by the post and telegraph department:
(a)UPS (Under Postal Service) : Under it the post office provides a certificate of posting on the payment of prescribed fee.
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<button aria-label="share a link to this post" data-post-number="1" data-share-url="/t/discuss-briefly-the-different-types-of-mail-services-offered-by-the-post-and-telegraph-department/2782" title="share a link to this post"></button></nav> </section> <section> </section> </article>Posted by Nikita Singh 5 years ago (10266509)
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There is one ureter that comes out of each kidney as an extension of the renal pelvis. The ureter is a thin muscular tube that carries urine from the kidneys to the bladder.
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Gaurav Seth 5 years ago (2898529)
We know, The interior angles of a triangle always add up to 180.
So, statement A, B and C is not correct.
(C) An exterior angle of a triangle is always greater than the opposite interior angles.
is correct
Answer (C) An exterior angle of a triangle is always greater than the opposite interior angles.
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