hi
As the triangle is equilateral, the height is also the median.
As the median cut the side in two equal halve, and one of this half is 9, then the side is 18.
As the triangle is equilateral, every side is the same measure, so x = 18
Answer:
To find the percent of change, divide the difference by the original amount.
Step-by-step explanation: The difference is 20-19=1. Divide this by the original to get 0.05. This means you got a 5% discount (move the decimal two places)
Answer: This is easier than you thought. 3.2 is equivalent to 3.20 so the spaces between would be 3.21, 3.22, 3.23 etc. the blue dot is 3.21
Step-by-step explanation: