The school math team was selling pizza slices for $2.00 and bottles of water for $1.50 to raise money. Overall, they sold 63 ite
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Answer:
Therefore the value of x is 15.
Step-by-step explanation:
Given:
AD || BC
m∠ B = (9x + 15)°
m∠ A = (3x - 15)°
To Find:
x = ?
Solution:
AD || BC ...............Given
If two lines are parallel and sum of the interior angles are supplementary.
i.e m∠ B and m∠ A are interior between Parallel lines.
∴
Substituting the given values we get
∴
Therefore the value of x is 15.