Question

quadrilateral defg is a square. what is the value of t?
$t+42$
$3t$
$t = \square$

Explanation:

Step1: Set sides equal (square property)

$3t = t + 42$

Step2: Subtract t from both sides

$3t - t = 42$
$2t = 42$

Step3: Solve for t

$t = \frac{42}{2}$

Answer:

$21$