Answer:
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If we extend 9 cm side till 11 cm side, we'll get two figures:
Rectangle has dimensions 6 cm and 15 cm and its area is:
- A(Rectangle) = 6*15 = 90 cm²
Triangle is right and has dimensions:
- 15 - 9 = 6 cm and
- 11 - 6 = 5 cm
Area of triangle is:
- A(Triangle) = 1/2*6*5 = 15 cm²
Area of the shape is: