Question

Class 4,5 and 6 were asked to plant flowers in the school garden measuring 60 m X 60 m. (1)

Class 4 planted first in an area 30 m X 30 m. Class 5 planted in an area measuring 40 m X 30 m.

What area must class 6 plant so that the entire garden gets covered?
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Answer 1

Answer:

it is a hard answer but Google will tell you

Step-by-step explanation:

it is a hard answer but Google will tell you

Answer 2

Answer:

40m X 40m

Step-by-step explanation:

because

60m X 60m = 3600m.sq

30m X 30m = 900m.sq

40m X 30m = 1200m.sq

3600-1200+900= 1600m.sq

$\sqrt{1600} = 40 \times 40$

Therefore, the answer is 40m X 40m