Write a two-column proof for the following.
Given: m2 = 30
m21=2m22
Prove: m23 +mZ4=90
(Do not include the degree symbol in your answers.)
Statements
1) m/2=30
2) m1=2m22
3) m/1 = 2(


1) Given
2) Given
3) Substitution
ماد