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Find the height of an equilateral triang...

Find the height of an equilateral triangle having side 2a.

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The correct Answer is:
` a sqrt3,`
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BAL BHARTI-PYTHAGORAS THEOREM -PRACTICE SET 2
  1. Height and base of a right angled triangle are 24 cm and 18 cm, find t...

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  2. In triangle ABC, AB=6 sqrt 3 cm, AC=12 cm, BC=6 cm. Find measure of /B

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  3. Find the height of an equilateral triangle having side 2a.

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  4. Do sides 7 cm, 24 cm, 25 cm from a right angled triangle? Give reason.

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  5. Find the length of diagonal of a rectangle having dimensions 11 cm and...

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  6. Find the length of the hypotenuse of a right angled triangle if remain...

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  7. Side of isosceles right angled triangle is x. Find its hypotenuse.

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  8. Solve the following examples. In Delta PQR : PQ = sqrt8 , QR = sqrt5 ...

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  9. In DeltaABC,angleB=90^(@),angleA=30^(@),AC=14, then find AB and BC.

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  10. Find the diagonal of a rectangle whose length is 16 cm and area is 192...

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  11. Find the length of the side and perimeter of an equilateral triangle w...

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  12. In triangle ABC, seg AP is a median. If BC=18, AB^2+AC^2=260, then fin...

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  13. triangle ABC is an equilateral triangle. Point P is on base BC such th...

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  14. Prove that the sum of the squares of the diagonals of a parallelogram ...

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  15. Pratik takes 8 hours to travel 36 km downstream and return to same spo...

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  16. In DeltaABC,angleBAC=90^(@) seg BL and seg CM are medians of DeltaABC....

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  17. Sum of the squares of adjacent sides of a parallelogram is 130 cm leng...

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  18. In thereforeDeltaABC,segADbotsegBCandDB=3CD." Prove that : "2AB^(2)=2A...

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  19. In an isosceles triangle, length of each congruent side is 13 cm and l...

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  20. Seg PM is a median of triangle PQR. If PQ=40, PR=42 and PM=29, find QR...

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