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If in a triangle PQR , sin P, sin Q, sin...

If in a triangle PQR , sin P, sin Q, sin R are in A.P., then

A

the altitudes are in A.P.

B

the alatitudes are in H.P.

C

the medians are in G.P .

D

the medians are in A.P.

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The correct Answer is:
B
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AAKASH SERIES-PROPERTIES OF TRIANGLES-LECTURE SHEET EXERCISE - III (Straight Objective Type Question)
  1. In a triangle ABC, the median to the side BC is of length 1/sqrt(11 - ...

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  2. If AD, BE and CF are the medians of a triangle ABC, then AD^(2) + BE^(...

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  3. If in a triangle PQR , sin P, sin Q, sin R are in A.P., then

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  4. In DeltaABC, AD is the altitude from A, if b gt c, C=23^(0), AD=(abc)/...

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  5. Altitude AD of an equilateral triangle ABC is a diameter of circle. If...

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  6. A triangle is inscribed in a circle. The vertices of the triangle divi...

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  7. The base of a triangle is a and ratio of remaining two sides is r ( r ...

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  8. The area of the right angled triangle in terms of its circum radius an...

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  9. In a triangle ABC, D and E are the mid-points of BC, CA respectively. ...

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  10. If the bisector of the angle lfloor C of a triangle ABC cuts AB in D ...

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  11. Let ABC be an isosceles triangle with base BC. If 'r' is the radius o...

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  12. If a right angled Delta ABC of maximum area is inscribed within a cir...

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  13. P is a point inside a Delta ABC of area K (K gt 0). The lengths of pe...

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  14. If the bisector angle A of the triangle ABC makes an angle theta with ...

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  15. Internal bisector of an angle angle A of triangle ABC meets side BC a...

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  16. In Delta ABC , internal angle bisector of angle A meets side BC in D. ...

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  17. Match the following

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  18. Match the following

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  19. Consider a triangle ABC, where x, y, z are the length of perpendicular...

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  20. Consider a triangle ABC, where x, y, z are the length of perpendicular...

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