Maths-
General
Easy
Question
The in-radius of the triangle formed by the axes and the line 4x + 3y – 12 = 0 is -
- r = 2
- r =
- r = 1
- r =
The correct answer is: r = 1
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In a ABC if r1 = 2r2 = 3r3, then -
In a ABC if r1 = 2r2 = 3r3, then -
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The area of a circle is A1 and the area of a regular pentagon inscribed in the circle is A2. Then A1 : A2 is -
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16R2 r r1 r2 r3 =
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General
The Complete set of values of 'x' which satisfy the inequations:
The Complete set of values of 'x' which satisfy the inequations:
GeneralGeneral
General
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The interval in which is positive is
GeneralGeneral
Maths-
Rr (sin A + sin B + sin C) =
Rr (sin A + sin B + sin C) =
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r1+ r2 =
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Maths-General
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+ +=
+ +=
Maths-General
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If a , b, c are in A.P., then r1, r2, r3 are in
If a , b, c are in A.P., then r1, r2, r3 are in
Maths-General
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If the sides be a, b, c then (r1–r) (r2+ r3) =
If the sides be a, b, c then (r1–r) (r2+ r3) =
Maths-General
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If the sides be a, b, c then + + =
If the sides be a, b, c then + + =
Maths-General
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If the sides be a, b, c then (r + r1) tan+(r + r2) tan+ (r+ r3) tan =
If the sides be a, b, c then (r + r1) tan+(r + r2) tan+ (r+ r3) tan =
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=
=
Maths-General