A kite is attached to a string. Find the length of the string (in m) when the height of the kite is 90 m and the string makes an angle of 30° with the ground.
180
Given:
Height of the kite = 90 meters
Angle of elevation = 30°
Calculation:
Height of the kite (BC) = 90 meters
Length of the string = AC
Therefore, sin 30° = BC/AC
⇒ (1/2) = 90/AC [∵ sin 30° = 1/2]
⇒ AC = 2 × 90 = 180 meters
∴ The length of the string is 180 meters.
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