Answer:
m<M=98
Explanation:
(3x-16)+(x+6)+(x)= 180 *triangles equal 180*
5x-16+6=180 *combine xs*
5x-10=180 *combine variables*
5x=190 *since its -10 add 10 on both sides to isolate x*
5x/5=190/5 *divide 190 by 5 to isolate x further to get answer*
x=38 *answer for x*
-----------------------------------------------------------------------------------------------------------------To find m<M
3x-16
3(38)-16
98
-----------------------------------------------------------------------------------------------------------------To find m<O
x+6
(38)+6
44
-----------------------------------------------------------------------------------------------------------------To find m<N
x
(38)
38
--------------------------------------------------------------------------------------------------------------m<M=98
m<O=44
m<N=38
98+44+38=180
Hope it helps!