Question

find the value of a that makes quadrilateral bcde a parallelogram.

a =

Explanation:

Step1: Set equal sides (parallelogram property)

$9a + 45 = 7a + 47$

Step2: Isolate variable terms

$9a - 7a = 47 - 45$

Step3: Simplify both sides

$2a = 2$

Step4: Solve for $a$

$a = \frac{2}{2}$

Answer:

$a = 1$