From 20 miles to 11 miles find each percent decrease. round to the nearest percent

-45%

Step-by-step explanation:

To find the percent decrease, subtract the new value by the original value. Divide the result by the original value. Multiply the decimal by 100 to find its percent conversion.

11 - 20 = -9

-9/20 = -0.45

-0.45 * 100 = -45%

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value