Question

Josh tied a helium-filled balloon to a stake in the ground. The wind blew it so that the 10-foot string attached to the balloon made an angle of 45° with the ground.

Answer 1

The height of the balloon above the ground is about 7.07 feet.

What is trigonometric ratio

Trigonometric ratio is used to show the relationship between the sides and angles of a right angled triangle.

Let h represent the height of the balloon from the ground, hence:

sin(45) = h/10

h = 7.07 feet

The height of the balloon above the ground is about 7.07 feet.

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