Find the area of ABC.

Answer:
Suppose, a triangle ABC, whose sides are a, b and c, respectively. Thus, the area of a triangle can be given by; Area= 30
Area = 1/2 x 15 x4 = 30 square yards
Step-by-step explanation:
Area of a triangle is 1/2 x base x height
Area = 1/2 x 15 x4 = 30 square yards