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The difference between the two acute ang...

The difference between the two acute angles of a right triangleis `(pi/3)^(c )`.
Find these angles in radians and degrees.

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To solve the problem, we will follow these steps: ### Step 1: Understand the relationship between the angles In a right triangle, the sum of the two acute angles (let's call them angle A and angle B) is always 90 degrees (or π/2 radians). We are given that the difference between these two angles is π/3 radians. ### Step 2: Set up the equations We can express the two angles using the following equations: 1. \( A + B = \frac{\pi}{2} \) (Equation 1) 2. \( A - B = \frac{\pi}{3} \) (Equation 2) ### Step 3: Solve the equations To find the values of A and B, we can add Equation 1 and Equation 2: \[ (A + B) + (A - B) = \frac{\pi}{2} + \frac{\pi}{3} \] This simplifies to: \[ 2A = \frac{\pi}{2} + \frac{\pi}{3} \] ### Step 4: Find a common denominator The common denominator for 2 and 3 is 6. Therefore, we convert the fractions: \[ \frac{\pi}{2} = \frac{3\pi}{6}, \quad \frac{\pi}{3} = \frac{2\pi}{6} \] Now we can add them: \[ 2A = \frac{3\pi}{6} + \frac{2\pi}{6} = \frac{5\pi}{6} \] ### Step 5: Solve for angle A Now, divide both sides by 2 to find angle A: \[ A = \frac{5\pi}{12} \] ### Step 6: Find angle B Now we can substitute the value of A back into Equation 1 to find angle B: \[ A + B = \frac{\pi}{2} \] Substituting A: \[ \frac{5\pi}{12} + B = \frac{\pi}{2} \] Convert \(\frac{\pi}{2}\) to have a common denominator of 12: \[ \frac{\pi}{2} = \frac{6\pi}{12} \] Now solve for B: \[ B = \frac{6\pi}{12} - \frac{5\pi}{12} = \frac{\pi}{12} \] ### Step 7: Convert angles to degrees To convert the angles from radians to degrees, we use the conversion factor \( \frac{180}{\pi} \): - For angle A: \[ A = \frac{5\pi}{12} \times \frac{180}{\pi} = \frac{5 \times 180}{12} = 75^\circ \] - For angle B: \[ B = \frac{\pi}{12} \times \frac{180}{\pi} = \frac{180}{12} = 15^\circ \] ### Final Result The two acute angles of the right triangle are: - Angle A: \( \frac{5\pi}{12} \) radians or \( 75^\circ \) - Angle B: \( \frac{\pi}{12} \) radians or \( 15^\circ \)

To solve the problem, we will follow these steps: ### Step 1: Understand the relationship between the angles In a right triangle, the sum of the two acute angles (let's call them angle A and angle B) is always 90 degrees (or π/2 radians). We are given that the difference between these two angles is π/3 radians. ### Step 2: Set up the equations We can express the two angles using the following equations: 1. \( A + B = \frac{\pi}{2} \) (Equation 1) ...
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RS AGGARWAL-MEASUREMENT OF ANGLES-Exercise 14
  1. Using a protractor, draw each of the following angles. (i) 60^(@), (...

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  2. Express each of the following angles in radians. (i) 36^(@) , (ii) 1...

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  3. Express each of the following angles in degrees. (i) ((5pi)/12)^(c )...

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  4. The angles of a triangle are in AP and the greatest is double the leas...

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  5. The difference between the two acute angles of a right triangleis (pi/...

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  6. Find the radius of a circlein which a central angle of 45^(@) intercep...

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  7. The length of an arc of a radius of 14 cm which subtends an angle of 3...

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  8. If the arc of the same length in two circles subtend angles 75^(@) and...

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  9. Find tge degree measure of the angle subtended at the centre of a circ...

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  10. In a circle of diameter 30 cm, the length of a chord is 15 cm. Find th...

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  11. The measure of angle in degrees through which a pendulum swings if its...

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  12. The large hand of a clock is 42 cm long. How many centimetres does its...

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  13. A wheel makes 180 revoluations in 1 minutes. Through how many radians ...

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  14. A railway train is travelling on a circular curve of 1500 metres radiu...

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  15. A wire of length 121 cm is bent so as to lie along the arc of a circle...

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  16. The angles of a quadrilateral are in AP, and the greatest angle is dou...

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