EXERCISE 25 E

Find the areas of the following polygons

1.

2.

3.

4.

5.A school croosing sign has the dimensions as shown in the figure.

(i) What is the area of the sign boards ?

(ii) If the 4 such sign boards are cut from the rectangular metal sheet 350cm long and 320cm wide, what will be the area of the metal-leftover ?

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