Question

plz answer it fast........ ​

Answer 1

Answer:

IT'S ANSWER IS 2X

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Answer 2

Answer:

[X*tan(a)]/4. { where a=angle}

Explanation:

H=[u^2sin^(a)]/2g..... (1)

R=[u^2sin2(a)]/g........(2)

{where H=height & R=range=X}

(1)÷(2)

H=[X*tan(a)]/4

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