It is given the area of a triangle is A. The value of its perimeter, inradius, circumradius and the average of the lengths of the medians are P. r. R and d respectively. The ratio A : P is equal to

It is given the area of a triangle is A. The value of its perimeter, i

1.	It is given the area of a triangle is A. The value of its perimeter, inradius, circumradius and the average of the lengths of the medians are P. r. R and d respectively. The ratio A : P is equal to
A.	r : 1
B.	(R + r)2 : d
C.	r : 2
D.	(R - r)2 : r
Answer» D. (R - r)2 : r

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It is given the area of a triangle is A. The value of its perimeter, inradius, circumradius and the average of the lengths of the medians are P. r. R and d respectively. The ratio A : P is equal to

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