It is 40 degrees counterclockwise
Hope that helps
The equation for a trapezoid is A = a+b all over 2 times h
So, you would simply substitute.
A=15
B=12
H=8
15+12/2 (8)=
27/2 (8)=
13.5 (8)=
108.
9 because 18÷2=9
you can use models to help too
get 18 things and put them in 2 groups
Answer:
one way
Step-by-step explanation:
2 quarters
4 dimes
1 nickel
the angles the top part that has a square is 90⁰ and x and y are equal so we will name them both x and all angles together make 180⁰
I don't know about the sides
Step-by-step explanation:
90+x+x=180
2x=180-90
2x=90
x=90/2
x=45