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It is given that the area of a triangle ...

It is given that the area of a triangle is A. The values of its perimeter, inradius, circumradius and the average of the lengths of the medians are respectively, p,r,R and d. The ratio A : p is equal to
यह दिया गया है कि किसी त्रिभुज का क्षेत्रफल A है | इसके परिमाप, अंतःत्रिज्या, परित्रिज्या और मध्यिकाओं की लंबाई के औसत का मान क्रमशः p,r, R और d है | अनुपात A : p किसके बराबर है ?

A

`(R+r)^2:d`

B

`r:2`

C

`r:1`

D

`(R-r)^2: r`

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