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15,150,1800,x,15 so find the value of x?? |
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Answer» Dette er ikke svaret ditt☹️ •°.•°.•°.•°.•°.•°.•°.•°.•°.•°.•°.•°.•°.•°.•°.•°.•°.•°.•° ✌️❣️ Let the HEIGHT of the TREE be y and width of the river be x and CD = 40 m In ΔABD, tan 300 = A x + 40 ⇒ x+40 = y √ 3 ………..(i) In ΔABC, tan 600 = A = y x ⇒ y = x √ 3 ……………(ii) PUTTING the value of y from (ii) to (i) x+40= [x √ 3 ] √ 3 = 3x 40 = 2x ⇒ x= 20 y = x √ 3 = 20 √ 3 Height of the tree = 20 √ 3 m Width of the river = 20 m. ✌️❣️ |
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