Find the area of polygon in fig.13.24
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Solution
The given polygon can be divided into 3 parts , 2 triangles and a rectangle.
Consider the Rectangle FBCE
- Length of the rectangle (FE) = 50 cm
- Breath of rectangle (FB) = 30 cm
Now,
Now, consider the triangle ∆DCE
- Height= 10 cm
- base = 30 cm
Similarly the ∆ AFB have same base and height as ∆DCE.
so area of ∆ABF is 150cm²
→area of polygon= (150+150 +1500)cm²
→area of polygon=1800 cm²
So the area of the given polygon is 1800 cm².
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