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The length of a shadow of a tree is 130 feet when the angle of elevation of the sun is θ°.

a) Write the height h of the tree as a function of θ.

b) θ=10° What's height?
θ=15° Height?
θ=20° How tall is the height?
θ=25° What is height?

  • Trigonometry -

    a. h = 130*tan(theta).

    b. h = 130*tan10 = 22.9 Ft.

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