I think 71 is B
and 72 is D.
Answer: 14.33
Step-by-step explanation:
Answer: 230cm²
Step-by-step explanation:
>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 = 
Answer:
y is 1 and x is 4
Step-by-step explanation:
becasue the y intercepts at 1 and the x intercepts at 4
Answer:
120
Step-by-step explanation:
15/1.5=10
10 x 12=120