Bookmark numbers helps keep track of how many bookmarks you have
Answer:
x = 27°
Step-by-step explanation:
m<D
m<CBE = 63° (Given)
m<CBE = m<ABD (vertical angles)
m<ABD = 63° (substitution)
x = 180 - (m<ABD + m<D) (Sum of triangle)
x = 180 - (90 + 63)
x = 27°
I don't know which one you want but here
Exact form: x=9/10
OR
Decimal form
x=0.9
