Supplementary means that the angles have to add up to 180, so you have your equation.
180=5x+17x-18
198=22x
x=9
Then to find the measures of the angles, you plug x back in.
m∠ABD=5(9)=45 degrees
m∠BDE=17(9)-18=153-18=135 degrees
The answer is 1,250 as you add all the items together
Answer:
7
The 6 is in the tenths place and the 7 is in the ones place.
Answer:
90 A pex
Step-by-step explanation: