Find the area of a triangle with a base of 23 kilometers and a height of 12 kilometers.(1 point)
The area of the triangle is __ square kilometers.
138 square kilometers.
To find the area of a triangle, you use the formula A = 1/2 * base * height. Plugging in the given values, A = 1/2 * 23 km * 12 km = 138 km^2.