Question

find tu in parallelogram rstu.
tu =
submit

Explanation:

Step1: Use parallelogram side property

In a parallelogram, opposite sides are equal, so $RS = TU$. Here, $RS = p$ and $TU = 2p-21$, so set up the equation:
$p = 2p - 21$

Step2: Solve for $p$

Subtract $p$ from both sides:
$0 = p - 21$
Add 21 to both sides:
$p = 21$

Step3: Calculate length of $TU$

Substitute $p=21$ into $TU=2p-21$:
$TU = 2(21) - 21$

Answer:

21