PROBLEMS ON FINDING AREA OF 2D FIGURES WORKSHEET

Find the areas of following figures :

Problem 1 :

area-of-2d-figuresq1

Solution

Problem 2 :

area-of-2d-figuresq2.png

Solution

Problem 3 :

area-of-2d-figuresq3.png

Solution

Problem 4 :

area-of-2d-figuresq4.png

Solution

Problem 5 :

area-of-2d-figuresq5.png

Solution

Problem 6 :

area-of-2d-figuresq6.png

Solution

Problem 7 :

area-of-2d-figuresq7.png

Solution

Problem 8 :

area-of-2d-figuresq8.png

Solution

Problem 9 :

area-of-2d-figuresq9.png

Solution

Use Heron’s formula to find the area of the following triangles correct to 2 decimal places.

Problem 10 :

area-of-2d-figuresq10.png

Solution

Problem 11 :

area-of-2d-figuresq11.png

Solution

Problem 12 :

area-of-2d-figuresq12.png

Solution

Problem 13 :

area-of-2d-figuresq13.png

Solution

Problem 14 :

area-of-2d-figuresq14.png

Solution

Problem 15 :

area-of-2d-figuresq15.png

Solution

Answer Key

1)  16 cm2

2)   48 cm2

3)   75 cm2

4)  120 cm2

5)  225 π cm2

6)   73.5 mm2

7)  81 π cm2

8)  21 cm2

9)  75 cm2

10)  20.66 cm2

11)  7.64 cm2

12)  36 π cm2

13)  60 π cm2

14)   12 π cm2

15)  34.5 π mm2

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