A road sign is in the shape of an equilateral triangle with a vertical measurement of 41.2cm. How long is each side?
1 answer:
You might be interested in
Answer:
v = ± 5
Step-by-step explanation:
given 5v² - 125 = 0 ( add 125 to both sides )
5v² = 125 ( divide both sides by 5 )
v² = 25 ( take the square root of both sides )
v = ± = ± 5