1.

6EXERircus artist is climbing a 20 m long ropched and tied from the top of a verticalthe height of the pole, if the angle macound level is 30° (see Fig. 9.18).breaks due to storm and the broken pthe tree touches the ground making​

Answer»

Step-by-step explanation:

LET AB be the vertical pole and CA be the rope. Then,

∠ACB=30 degreeand AC=20 m

In right △ ABC,

sin30 DEGREE   = AB  /AC

1/2=  AB/20

AB=10 m

Therefore, the height of the pole is 10 m.

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