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In an equilateral triangle, prove tha...

In an equilateral triangle, prove that three times the square of one side is equal to four times the square of one of its altitudes.

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In an equilateral triangle,prove that three xx the square of one side is equal to four xx the square of one of its altitudes.

Prove that in an equilateral triangle,three xx the square of a side is equal to four xx the square of its altitudes.

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Prove that the sum of the squares of the sides of a rhombus is equal to the sum of the squares of its diagonals.

In an equilateral triangle with side a, prove that the altitude is of length (asqrt3)/2

Prove that the sum of the squares of the diagonals of parallelogram is equal to the sum of the squares of its sides.

Prove that is a right angle triangle, the square of the hypotenuse is equal the sum of the squares of other two sides.

Prove that three xx the sum of the squares of the sides of a triangle is equal to four xx the sum of the squares of the medians of the triangle.

Three xx the sum of square of the sides of a triangle is equal to four xx the sum of the square of the medians of the triangle.

VK GLOBAL PUBLICATION-TRIANGLES-LONG ANSWER QUESTIONS
  1. The line drawn from the midpoint of one side of a triangle parallel to...

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  2. ABCD is a trapezium in which AB||DC and its diagonals intersect each ...

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  3. If AD and PM are medians of triangles ABC and PQR, respectively where...

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  4. In Fig. 4.123, ABCD is a trapezium with AB || DC. If Delta AED is sim...

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  5. Prove that the area of an equilateral triangle described on a side of ...

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  6. If the areas of two similar triangles are equal, prove that they ar...

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  7. The areas of the two similar triangles are in the ratio of the square ...

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  8. O is the a point in the interior of Delta ABC, OD bot BC, OE bot AC an...

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  9. The perpendicular from A on side BC of a ABC intersects BC at D such t...

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  10. In an equilateral triangle, prove that three times the square of on...

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  11. Prove that, if a line is drawn parallel to one side of a triangle to i...

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  12. In DeltaABC A = 90^@ and AC | BD, then Show that (a) AB^2=BC.BD (b) A...

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  13. Diagonals of a trapezium ABCD with AB || DC intersect each other at...

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  14. Prove that, in a right triangle, the square of the hypotenuse is equal...

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  15. In a triangle, if the square on one side is equal to the sum of the sq...

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  16. ABC is a triangle in which AB = AC and D is a point on AC such that ...

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  17. Prove that the area of an equilateral triangle described on one sid...

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  18. D and E are points on the sides CA and CB respectively of a triangle ...

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