, 05.08.2022sanchez7489

# GO Tweaks Menu Search Selection Guess this Toggle Console Proving a uadrilateral is a Parallelogram Assignment Active Determining Side Lengths in a Parallelogram In quadrilateral ABCD, AD 1, BC. 3x+7 D A B 5x-9 What must the length of segment AD be for the quadrilateral to be a parallelogram? O 8 units O 16 units O 31 units O 62 units

just needed some points but try socratic

31 units

Step-by-step explanation:

If a quadrilateral has a pair of sides that is both parallel and congruent, then the quadrilateral is a parallelogram.

Sides AD and BC are given as parallel.

If they are also congruent, then quadrilateral ABCD is a parallelogram.

3x + 7 = 5x - 9

-2x = -16

x = 8

31 units

### Other questions on the subject: Mathematics

Mathematics, 21.06.2019, Destiny8372
ionstep-by-step explanation: ion ion ion ion ion ion ion ion ion ion ion...Read More
maybe showing the graph would step-by-step explanation: -387129 iq...Read More
Mathematics, 21.06.2019, omar1511
6 spoons of sugar for every 21 cups of flourstep-by-step explanation:...Read More
the simplified form is $$\frac{x^2(2x+3)}{2(4x-3)}$$step-by-step explanation: we want to simplify the expression,$$\frac{\frac{6x+9}{15x^2} }{\frac{16x-12}{10x^4} }$$...Read More