3 years ago

Find the value of x which ABCD must be a parallellogram? x =

1 answer:

3 0

$If\ ABCD\ is\ a\ parallelogram,\ then\\\\2x-1=x+3\ \ \ |add\ 1\ to\ both\ sides\\\\2x=x+4\ \ \ \ |subtract\ x\ from\ both\ sides\\\\\boxed{x=4}$

You might be interested in

Nuetrik [128]

Step-by-step explanation: ummnmm i think 18

6 0

2 years ago

MrRa [10]

Answer:

5 is the mean

Step-by-step explanation:

4 0

3 years ago

zloy xaker [14]

Answer:

Step-by-step explanation:

8 0

3 years ago

Sergio039 [100]

the inside of quadrilateral is always 360°.So add 75°,90° and 75° and then subyaract from360°.

x+75°+75°+90°=360

×+240°=360°

x=360°-240°

x=120°

4 0

3 years ago

AysviL [449]

Answer: $x=6$ or $x=-7$

Step-by-step explanation:

Step 1: Factor left side of equation: $(x-6)(x+7)=0$

Step 2: Set factors equal to 0: $x-6=0$ or $x+7=0$

Get your answer: $x=6$ or $x=-7$

5 0

2 years ago