Question

5 Mark's question

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Answer 1

Here Q = 30º, P = 45˚, PQ = 40m , RS = x

RS / SQ = tan30º

x / SQ =  1/

SQ =  x

RS / SP = tan45˚

X / SP = 1

SP = x

SQ – SP = PQ

x – x = 40

1.732x – x = 40

0.732x = 40

x = 40 / 0.732

x = 54.64

Hence the height of the tower is 54.64m.