4x+7 + 2x-1=180
6x=172
x=28.5
4x+7=123
Given: ∠ABC and ∠CBD are supplementary angles. m∠ABC = 4x + 7, m∠CBD = 2x − 1. Prove: m∠ABC = 123
How do I write this in a two column proof?
4 answers
What does angle CBD measure
What does angle CBD measure
4x+7 + 2x-1=180
6x=172
Round up from 28.6
x=29
4(29)+7=123
2(29)-1=57
6x=172
Round up from 28.6
x=29
4(29)+7=123
2(29)-1=57