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Which pair of angles are supplementary?

69^(@) and 
133^(@)

106^(@) and 
74^(@)

44^(@) and 
129^(@)

97^(@) and 
93^(@)
None of these are correct.

Which pair of angles are supplementary?\newlineA)69 69^{\circ} and 133 133^{\circ} \newlineB)106 106^{\circ} and 74 74^{\circ} \newlineC)44 44^{\circ} and 129 129^{\circ} \newlineD)97 97^{\circ} and 93 93^{\circ} \newlineE)None of these are correct.

Full solution

Q. Which pair of angles are supplementary?\newlineA)69 69^{\circ} and 133 133^{\circ} \newlineB)106 106^{\circ} and 74 74^{\circ} \newlineC)44 44^{\circ} and 129 129^{\circ} \newlineD)97 97^{\circ} and 93 93^{\circ} \newlineE)None of these are correct.
  1. Define Supplementary Angles: Define what supplementary angles are. Supplementary angles are two angles whose measures add up to 180180^\circ. We will check each pair of angles to see if their sum equals 180180^\circ.
  2. Check First Pair: Add the measures of the first pair of angles (69°69° and 133°133°) to see if they are supplementary.\newline69°+133°=202°69° + 133° = 202°\newlineSince the sum is not equal to 180°180°, this pair is not supplementary.
  3. Check Second Pair: Add the measures of the second pair of angles (106106^\circ and 7474^\circ) to see if they are supplementary.\newline106+74=180106^\circ + 74^\circ = 180^\circ\newlineSince the sum is equal to 180180^\circ, this pair is supplementary.
  4. Check Third Pair: There is no need to check the remaining pairs since we have already found a pair that is supplementary. However, for completeness, we will check the third pair (4444^\circ and 129129^\circ).\newline44+129=17344^\circ + 129^\circ = 173^\circ\newlineSince the sum is not equal to 180180^\circ, this pair is not supplementary.
  5. Check Fourth Pair: Check the fourth pair (9797^\circ and 9393^\circ) to confirm if they are supplementary or not.\newline97+93=19097^\circ + 93^\circ = 190^\circ\newlineSince the sum is not equal to 180180^\circ, this pair is not supplementary.

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