2.5
4x+30=40
-30 -30
4x=10
/4 /4
x=2.5
Answer:
Idk
Step-by-step explanation:
Answer: 230cm²
>We can do this by splitting the figure into 2 trapeziums.
>Additionally, you can see that both trapeziums bear the same lengths a and b. Hence, we can use this formula: .
>Thus,
Area =