The area of the shaded portion inside the given triangle is; 1254 square meters
<h3>How to find the area of shaded portion?</h3>
Looking at the given image, we can say that;
Area of Shaded Portion = Area of Triangle - Area of Circle
Area of Triangle = ¹/₂ * 56 * 56
Area of Triangle = 1568 m²
Area of Circle = πr²
Area of Circle = π * (20/2)²
Area of Circle = 314 m²
Thus;
Area of Shaded Portion = 1568 m² - 314 m²
Area of Shaded Portion = 1254 square meters
Read more about Area of Shaded Portion at; brainly.com/question/10090807
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