For triangle xyz , the measures of angles x, y, and Z are known. Which method should be used to start solving triangle xyz? law of sines
law of cosines
neither law can be used
both laws can be used

answer:   rotate 270° clockwise about (7, 1) and reflect across the line x = 7

step-by-step explanation:

because i took test

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