Martha is in a hot air balloon that has risen straight up from the launch point. Mathew is standing on the ground, 16 meters away from the launch point. if Martha and Mathew are 20 meters apart how high has the ballon risen?

i don't know what to say to this...

Step-by-step explanation:

circle area = pi * radius^2

if diameter = 10 then radius = 5

circle area = pi * 5^2

circle area = pi * 25

circle area = 78.5398163397 square units

step-by-step explanation:

6(h+1)/2=a

a=area

step-by-step explanation:

its the same thing as a square or rectangle but after multiplying two sides you need to divide it by two.