Questions: Find the value of x, y, and z in the parallelogram below.

Find the value of x, y, and z in the parallelogram below.
Transcript text: Find the value of $x, y$, and $z$ in the parallelogram below.
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Solution

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Solution Steps

Step 1: Set up the equations

In a parallelogram, opposite angles are equal, and consecutive angles are supplementary (add up to 180°). Therefore, we have the following equations:

  1. 87 = -z - 7
  2. 87 + (-5x - 2) = 180
  3. -5x - 2 = y + 2
Step 2: Solve for z

From equation 1: 87 = -z - 7 Add 7 to both sides: 94 = -z Multiply both sides by -1: z = -94

Step 3: Solve for x

From equation 2: 87 - 5x - 2 = 180 Simplify: 85 - 5x = 180 Subtract 85 from both sides: -5x = 95 Divide both sides by -5: x = -19

Step 4: Solve for y

From equation 3: -5x - 2 = y + 2 Substitute the value of x: -5(-19) - 2 = y + 2 Simplify: 95 - 2 = y + 2 93 = y + 2 Subtract 2 from both sides: y = 91

Final Answer

x = -19, y = 91, z = -94

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