# math

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A diagonal of a rectangle measures 61cm. The width of the rectangle is 11cm. Find the length of the rectangle.

• math -

This is the case for the Pythagorean Theorem!

a^2 + b^2 = c^2

11^2 + b^2 = 61^2

121 + b^2 = 3721

b^2 = 3721 - 121

b^2 = 3600

b = 60

• math -

The ages of two children are 11 and 8years.In how many years time wil the product of their ages be 208

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