A rectangle has 4 sides
each side is a right angle
a right angle by definition is 90 degrees

False
Answer:
the least common multiple is 18
Step-by-step explanation:
Find a common denominator so, 3/6 plus 4/6 = 7/6
Answer:
2g + 13
Step-by-step explanation:
Times two plus 13.
Answer:
Read below
Step-by-step explanation:
I don't understand the answer choices, but supplementary angles add up to 180°. It looks like the third option is correct.