Answer:
-4
Step-by-step explanation:
Try different problems and see wich two get you too 9 r5
The formula of the area of the trapezoid is:
,
where h is the height, and b_1 and b_2 are the two bases of the trapezoid.
In our problem h=3km, and the bases are 5km and 7 km. Substituting these values in the formula, we find:
. (km)
Answer: B. 18
NOT POSSIBLE!!!!!!!!!!!!!!!!!!!!!!!!!