Diameter is the greatest chord of circle.
-Answered by Himanshi Verma On 05 February 2019:04:58:06 PM
Asked/Added Questions From NCERT:
Question 1. Asked on :13 February 2019:10:06:57 AM
Find the value of X
-Added by Akki chauhan Mathematics » Circles
Question 2. Asked on :05 February 2019:09:14:22 AM
Which is the largest chord in circle.
-Added by Akki chauhan Mathematics » Circles
Answer:
Himanshi Verma
Question 3. Asked on :13 January 2019:11:15:32 AM
Define concentric circles.
-Added by Akki chauhan Mathematics » Circles
Answer:
Akki chauhan
The concentric circle are the circles with a common center the region between two concentric circle of different radii is called an annulus.
-Answered by Akki chauhan On 15 January 2019:09:05:48 AM
Question 4. Asked on :12 January 2019:05:52:26 PM
prove that the cyclic parallelogram is rectangle.
-Added by khushi chauhan Mathematics » Circles
Answer:
Akki chauhan
∠A + ∠C = 180 ....1
But ∠A = ∠C
So ∠A = ∠C = 90
Again
∠B + ∠D = 180 ....2
But ∠B = ∠D
So ∠B = ∠D = 90
Now each angle of parallelogram ABCD is 90.
Hense ABCD is a rectangle
-Answered by Akki chauhan On 15 January 2019:09:05:05 AM
Question 5. Asked on :09 January 2019:09:54:18 AM
Prove that if the chords are equal then the subtend angle at the center are equal?
-Added by Master Purushottam Mathematics » Circles
Answer:
Akki chauhan
Given : In a circle C(O,r) , ∠AOB = ∠COD
To Prove : Chord AB = Chord CD .
Proof : In △AOB and △COD
AO = CO [radii of same circle]
BO = DO [radii of same circle]
∠AOB = ∠COD [given]
⇒ △AOB ≅ △COD [by SAS congruence axiom]
⇒ Chord AB = Chord CD [c.p.c.t]
-Answered by Akki chauhan On 13 January 2019:01:04:33 PM
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