The length of a string between a kite and point on the ground is 90m. The string makes an angle of 60° with the level of ground. assuming that there is no slang in the string. Find the height of the kite
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The length of a string between a kite and point on the ground is 90m. The string makes an angle of 60° with the level of ground. assuming that there is no slang in the string. Find the height of the kite
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Step-by-step explanation:
sin60=h/90
h=90×√3/2
=45√3m
Answer:
tan theta = AB/AC →15/8 = H/BC
BC= 84/15 → (1)
IN triangle ABC by Pythagoras theorem
AC^2= BC^2 + AB^2
90^2=(8H/15)^3+ H^2
90^2= (8H^2) + (15H)^2/ 15^2
H^2 (8^2+15^2)= 90^2×15^2
H^2=(64+225)= (90×15)2
H^2= (90×15)2/17
H= 90×15/17 = 79.71