How to find an angle in a parallelogram - High School Math
Card 0 of 1
Question
In the parallellogram, what is the value of 
?
In the parallellogram, what is the value of
Answer
Opposite angles are equal, and adjacent angles must sum to 180.
Therefore, we can set up an equation to solve for z:
(z – 15) + 2z = 180
3z - 15 = 180
3z = 195
z = 65
Now solve for x:
2_z_ = x = 130°
Opposite angles are equal, and adjacent angles must sum to 180.
Therefore, we can set up an equation to solve for z:
(z – 15) + 2z = 180
3z - 15 = 180
3z = 195
z = 65
Now solve for x:
2_z_ = x = 130°
Compare your answer with the correct one above
Tap the card to reveal the answer