Answer:
1. 27
2. x=15 , (5x-10) = 65
3. A=26
B=154
C=26
4. 129
Step-by-step explanation:
1. combining the two makes it a right angle. a right angle is equal to 90 degrees. therefore to get the y, you have to subract 63 from 90
2. it is a linear angle. therefore, they are supplementary angles. combining the two makes it 180 degrees
3. two opposite vertex angles are equal. therefore, 154 and b are equal as well. since a and b are linear angles, their sum should be 180 degrees
4. a supplementary angle is equal to 180 degrees. to get its supplement we have to subract 51 from 180
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Answers & Comments
Answer:
1. 27
2. x=15 , (5x-10) = 65
3. A=26
B=154
C=26
4. 129
Step-by-step explanation:
1. combining the two makes it a right angle. a right angle is equal to 90 degrees. therefore to get the y, you have to subract 63 from 90
2. it is a linear angle. therefore, they are supplementary angles. combining the two makes it 180 degrees
3. two opposite vertex angles are equal. therefore, 154 and b are equal as well. since a and b are linear angles, their sum should be 180 degrees
4. a supplementary angle is equal to 180 degrees. to get its supplement we have to subract 51 from 180