A diagram of right angled triangle with base 5m and 60 at the ground

Chemistry

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Step-by-step solution

3 steps
  1. Identify the knowns and unknowns in the right-angled triangle.

    We are given:

    • An angle θ=60∘\theta = 60^\circ.
    • The side adjacent to the 60∘60^\circ angle is 5 m5 \text{ m}.
    • The side opposite the 60∘60^\circ angle is xx.
    • The hypotenuse (opposite the right angle) is yy.
  2. Calculate the value of xx using the tangent function.

    The tangent of an angle in a right-angled triangle is the ratio of the length of the opposite side to the length of the adjacent side.

    tan⁡(θ)=OppositeAdjacent\tan(\theta) = \frac{\text{Opposite}}{\text{Adjacent}}

    Substitute the given values:

    tan⁡(60∘)=x5 m\tan(60^\circ) = \frac{x}{5 \text{ m}}

    We know that tan⁡(60∘)=3\tan(60^\circ) = \sqrt{3}.

    3=x5 m\sqrt{3} = \frac{x}{5 \text{ m}}

    Multiply both sides by 5 m5 \text{ m} to solve for xx:

    x=53 mx = 5\sqrt{3} \text{ m}

    The value of xx is 53 m\boxed{5\sqrt{3} \text{ m}}.

  3. Calculate the value of yy using the cosine function.

    The cosine of an angle in a right-angled triangle is the ratio of the length of the adjacent side to the length of the hypotenuse.

    cos⁡(θ)=AdjacentHypotenuse\cos(\theta) = \frac{\text{Adjacent}}{\text{Hypotenuse}}

    Substitute the given values:

    cos⁡(60∘)=5 my\cos(60^\circ) = \frac{5 \text{ m}}{y}

    We know that cos⁡(60∘)=12\cos(60^\circ) = \frac{1}{2}.

    12=5 my\frac{1}{2} = \frac{5 \text{ m}}{y}

    To solve for yy, cross-multiply:

    1⋅y=2⋅(5 m)1 \cdot y = 2 \cdot (5 \text{ m}) y=10 my = 10 \text{ m}

    The value of yy is 10 m\boxed{10 \text{ m}}.

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