Question
A piece of straight thin wire fits diagonally across a rectangle of length 7cm. If the wire is 10cm long, what would be the width of the rectangle.
Answers
Ms. Sue
a^2 + b^2 = c^2
7^2 + b^2 = 10^2
49 + b^2 = 100
b^2 = 51
b = 7.1414
7^2 + b^2 = 10^2
49 + b^2 = 100
b^2 = 51
b = 7.1414