Sara started to use the area model to multiply (x - 2) by (x2 - 1). Explain where Sara went wrong in her area model. What could she have done to prevent this mistake?

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

step-by-step explanation: the answer for wha if rt is 10 centimeters long, and wha is st? it’s 6

the answer is 8/21

hope this

its totaly b

your welcome btw