Answer:
Attach the image of the triangle so I can help out and edit my answer
Answer:
m C and m D are a linear pair // Definition of supplementary angles
m C + m D =180 // Definition of a linear pair
Step-by-step explanation:
Answer:
37.5
Step-by-step explanation:the formula of surface area of a square is 6a²
and a is 2.5 in this case,so 6*2.5*2.5=37.5
Answer:
the constant in this expression is 9 because it is not a coefficient of any variable