The answer is 1 because 1x7=+7
A) i think is correct andewmer
Answer
Step-by-step explanation:
Both 1 and 2 equel up to 90 degrees
so to find x for 1 and 2 you would simplify the equations
90 = 6x - 3
and
90= 3x - 6
simplify them and you wil get the answers you want
another way to do it is combining the two and solve.
90 = 9x - 9
Just simplify :)
Answer:
D.
Step-by-step explanation:
The formula is Sum(n) = (n -2) 180.
1.no should b 8x + 20
2.no should be 21x + 14
3.yes
3.yes
