Answer:
x = 17
Step-by-step explanation:
77° + (6x + 1)° = 180° (angels on a straight line)
Solve for x
77 + 6x + 1 = 180
Add like terms
6x + 78 = 180
6x + 78 - 78 = 180 - 78
6x = 102
6x/6 = 102/6
x = 17
If you divide the answer is 217
Answer:
Step-by-step explanation:
2√5*√19=2√95≈19.494≈19.49≈19.5
if you want exact then 2√95
if three decimal places then 19.494,if two decimal places then 19.49 ,if one decimal place then 19.5