Answer:
see attached
Explanation:
Each grid square represents 5 m, so the distances shown on the grid will be scaled appropriately.
Scale drawing
The 25 m base dimension will be represented by (25 m)/(5 m/square) = 5 squares.
The 30 m height dimension will be represented by (30 m)/(5 m/square) = 6 squares.
The attached drawing shows the triangle with base 25 m and height 30 m on a 5 m grid.