In an equilateral triangle , find ( r )...

In an equilateral triangle , find ` ( r ) /( R ) `

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The correct Answer is:

` 1//2`

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AAKASH SERIES-PROPERTIES OF TRIANGLES-EXERCISE - 9.2 (VERY SHORT ANSWER QUESTIONS)

If Delta = 6 sq. cm , s=1.5 cm find 'r'
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If the perimeter of a triangle is 12 unit and it in radius is 1 unit, ...
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In Delta ABC, 1/r1+1/r2+1/r3=
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Show that rr(1)r(2)r(3)=Delta^(2)
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Show that r r1 =( s -b) (s-c)
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If rr(2)=r(1)r(3)then find B.
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In Delta ABC, if a=13 ,b=14 , c=15, then r1=
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If s = 12 and A=90^(@) then find the value of r(1)
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Express sumr(1)cot.(A)/(2) interms of s .
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Show that rr(1)cot.(A)/(2)=Delta.
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In an equilateral triangle , find ( r ) /( R )
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If A=90^(@), " show that " 2(r+R)=b+c
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