Maths

the length of room is twice its breadth. if the area is 242 square meters then find out it's breadth
a) 11
b) 10
c) 12
d) 9
show ur workings?

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3. 👁 55

For instance, 9 * 18 = 162
Nope -- that's not the answer.

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2. width --- x
length --- 2x
x(2x) = 242
2x^2 = 242
x^2 = 121
carry on, what is the square root of 121 ?

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posted by Reiny

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