Answer:
All trapezoids are quadrilaterals
Step-by-step explanation:
Look it up it true
O~O
Roblox: Supertasticgg
Sub to Flamingo
Answer:

Step-by-step explanation:
we require 2 equations with the repeating digits placed after the decimal point.
let x = 0.888.. (1) ← multiply both sides by 10
10x = 8.888.. (2)
subtract (1) from (2) thus eliminating the repeating digits
9x = 8 ( divide both sides by 9 )
x = 
X=5
Measure of angle BCA= 55
Measure of angle B= 76