Answer:
21.24°
Step-by-step explanation:
I hope it helps :)
A = h(b/2)
So the height is 8 and the base is 5
A = 8(5/2)
A = 20
I hope this helps! :)
~Ayden
b=9
move the 4b over to the other side by adding it to both sides
17
quick mafs
72