Your octagon has a central angle of 360 deg. Since you're speaking of an octagon, which implies that the octagon is made up of eight triangles, divide 360 deg by 8 to obtain the measure of each minor arc formed.
You multiply all of the As by 7 and all of the Bs by 6 and then add all of the numbers
You turn the decimal into a percent
<span>Born on March 14, 1879 in Ulm, Württemberg, Germany, Albert Einstein grew up in a secular Jewish family. ... Einstein had one sister, Maja, born two years after him.Einstein attended elementary school at the Luitpold Gymnasium in Munich.</span>
Use PEMDAS:
P arenthesis
E xponents
M ultiplication
D ivision
A dd
S ubstract
Paranthesis and Exponents
(20 / 2^2 * 5 / 5) = 5
Multiplication
5*8= 40
Division
10 / 40 = 0.25
Subtraction
0.25 - 2 = −1.75
Therefore,
The answer is -1.75