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Find the angle which is three times of i...

Find the angle which is three times of its complementary angle.

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To find the angle which is three times its complementary angle, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Concept of Complementary Angles**: Complementary angles are two angles whose sum is 90 degrees. If we denote the angle we are trying to find as \( x \), then its complementary angle will be \( 90 - x \). 2. **Set Up the Equation**: According to the problem, the angle \( x \) is three times its complementary angle. Therefore, we can write the equation: \[ x = 3(90 - x) \] 3. **Expand the Equation**: Now, we will expand the right side of the equation: \[ x = 270 - 3x \] 4. **Combine Like Terms**: Next, we will add \( 3x \) to both sides to get all terms involving \( x \) on one side: \[ x + 3x = 270 \] This simplifies to: \[ 4x = 270 \] 5. **Solve for \( x \)**: Now, we will divide both sides by 4 to find the value of \( x \): \[ x = \frac{270}{4} \] Simplifying this gives: \[ x = 67.5 \] 6. **Conclusion**: The angle which is three times its complementary angle is \( 67.5 \) degrees.
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Find the angle which is four times of its supplementary angle.

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Knowledge Check

  • The supplementary angle of an angle is three times of its complementary angle, then the angle is

    A
    `50^@`
    B
    `40^@`
    C
    `45^@`
    D
    `35^@`
  • The measure of an angle is four times the measure of its complementary angle. Then, the measure of that angle is ............

    A
    `18^(@)`
    B
    `72^(@)`
    C
    `40^(@)`
    D
    `10^(@)`
  • Which angle is two third of its complementary angle?

    A
    A) `36^(@)`
    B
    B) `45^(@)`
    C
    C) `48^(@)`
    D
    D) `60^(@)`
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