Answer:
I think it is B, AB or CD and AB || CD
Step-by-step explanation:
All the measures in a triangle are equal to 180 degrees.
Let the unknown angle= x.
40+89+x= 180
Combine like terms.
129+x= 180
Subtract 129 from both sides.
x= 51
The angle is equal to 51.
I hope this helps!
~kaikers
Answer:
1/3 is the slope
Step-by-step explanation:
hope this helps
Use Socratic it gives u a step by step explanation
A = ((B+b)*h)/2
A = ((6+4)*3)/2
A = 15