There's a theorem that states:
"<span>If a quadrilateral is a parallelogram, </span>it has<span> 2 sets of opposite sides congruent.</span><span>"
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Hope this helps ;)
J = 20
it's very easy, aren't you really able to find that by yourself?
Answer:
7.5
Step-by-step explanation:
cause you can divide the 60 with the 8
A right angle is an angle at 90 degrees
Answer:
She didn't put the sign's in the proper place, it should be ( x + 3 ) ( x - 7 )
Step-by-step explanation:
( x - 3 ) ( x + 7 ) = x² + 7x - 3x - 21 = x² + 4x - 21
( x + 3 ) ( x - 7 ) = x² - 7x + 3x - 21 = x² - 4x - 21
