T=log(15,400÷1,200)÷log(1.04)
T=65 years
The formula of a circle is A=pi x radius^2
i cant see the blue and red numbers for some reason ill do the other 4 by plugging them in
yellow:153,94 rounded 153,9
green:1385.4
orange3019.1
purple:227
circumference formula c=2 X pi X r
yellow: 43.9
green: 132
orange: 194.8
purple: 53.4
plz correct me if im wrong
Degree measures<span>Remember -- the sum of the degree measures of angles in any triangle equals 180 degrees. Below is a picture of triangle ABC, where angle A = 60 degrees, angle B = 50 degrees and angle C = 70 degrees.</span>
Answer:
He did 9 times 10 instead of 9 times 100.
