Explanation:
In the figure,
height of triangle = 10m
base of triangle/Diameter of circle = 14m
radius = 7m
Area of triangle = 1/2 × b × h
= 1/2 × 14 × 10
= 7 × 10
= 70m²
Area of semi-circle = 1/2 × pi × r²
= 1/2 × 3.14 × 7²
= 76.93m²
Area of the figure = 70 + 76.93 = 146.93m²