SOLUTION: 1)If f(x) = ax2 + bx + a is divided by (x – b) a , b ≠ 0 , remainder is ‘a’ , then a is
2)L.C.M. of two numbers is 500, their HCF is 10. If one number is 20 , other number i
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Question 549014: 1)If f(x) = ax2 + bx + a is divided by (x – b) a , b ≠ 0 , remainder is ‘a’ , then a is
2)L.C.M. of two numbers is 500, their HCF is 10. If one number is 20 , other number is
3)If a chord of circle with radius 5 cm subtends a right angle at the centre , then length of chord is
4)The remainder when x2 − 10x + 25 is divided by x − 5 is
5)The ratio of area and perimeter of a square is 2 : 1 , then area of circle with diameter equal to diagonal of square is
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
5) The ratio of area and perimeter of a square is 2 : 1 , then area of circle with diameter equal to diagonal of square is:
Let the measure of the side of the square be represented by 
.
Then the Area is given by 
and the perimeter by 
. But with the given proportion, 
. Hence 
which is to say 
.
The diagonal of a square with side measure is 
, hence the radius of a circle with diameter equal to the diagonal of the square is 
, in your case, 
.
The area of a circle with radius 
is 
. So in your case: 
John
My calculator said it, I believe it, that settles it
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