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BECE Mathematics 2022 Paper
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© africaexams.com
Question : 31
Total: 40
What is the length of the side of a square of area
225
cm
2
?
15.00
cm
12.00
cm
112.50
cm
56.25
cm
Validate
Solution:
Area of a square
=
Length
×
Length
=
L
2
225
=
L
2
Square means a number multiplied by itself
What number when it multiply by itself will produce 225 ?
That will be 15 , thus
15
×
15
=
225
or
15
2
=
225
Hence the length is 15.00 cm
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