Question

a team of engineers built a dam over a large river. in the process, they created a lake covering farmland and forest. the lake covers a total of 866 hectares. if the lake covers 714 hectares of farmland, how many hectares of forest does it cover? hectares

Explanation:

Step1: Identify the total area and farm - land area

Total area of lake is 866 hectares and farm - land area is 714 hectares.

Step2: Calculate forest area

Subtract farm - land area from total area. Let the forest area be $x$. Then $x = 866-714$.
$x=152$

Answer:

152