Answer:
Adding 0.4
Step-by-step explanation:
Answer:
58
Step-by-step explanation:
you have 2 2 by 2 squares and 1 5 by 10 rectangle
The angle that is the same in both triangles. because if they are congruent, and one of them is 60, then the other has to be 60 too
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