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Two supplementary angles differ by 44^(@...

Two supplementary angles differ by `44^(@)` . Find the angles.

A

`212^(@),68^(@)`

B

`112^(@),88^(@)`

C

`112^(@),68^(@)`

D

`116^(@),68^(@)`

Text Solution

AI Generated Solution

The correct Answer is:
To solve the problem of finding two supplementary angles that differ by 44 degrees, we can follow these steps: ### Step 1: Define the Angles Let the first angle be \( X \) degrees and the second angle be \( Y \) degrees. ### Step 2: Set Up the Equations Since the angles are supplementary, we know that: \[ X + Y = 180 \quad \text{(1)} \] We are also given that the difference between the two angles is 44 degrees: \[ X - Y = 44 \quad \text{(2)} \] ### Step 3: Solve the Equations We can solve these two equations simultaneously. From equation (1), we can express \( Y \) in terms of \( X \): \[ Y = 180 - X \quad \text{(3)} \] Now, substitute equation (3) into equation (2): \[ X - (180 - X) = 44 \] This simplifies to: \[ X - 180 + X = 44 \] \[ 2X - 180 = 44 \] ### Step 4: Isolate \( X \) Now, add 180 to both sides: \[ 2X = 44 + 180 \] \[ 2X = 224 \] Now, divide both sides by 2: \[ X = \frac{224}{2} \] \[ X = 112 \] ### Step 5: Find \( Y \) Now that we have \( X \), we can find \( Y \) using equation (3): \[ Y = 180 - X \] \[ Y = 180 - 112 \] \[ Y = 68 \] ### Conclusion The two supplementary angles are: - First angle \( X = 112^\circ \) - Second angle \( Y = 68^\circ \) ### Final Answer The angles are \( 112^\circ \) and \( 68^\circ \). ---
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RS AGGARWAL-LINEAR EQUATION IN ONE VARIABLE-EXERCISE 7 B
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