Form a right triangle with the hypotenuse as 12, one of the sides as 10, the third side is therefore, using Pythagoras theorem,
√(12²-10²)
=√(144-100)
=√44.
A rectangle of length of 10 cm has diagonals of length 12 cm.
Calculate the width of the rectangle.
3 answers
a^2 + b^2 = c^2
10^2 + c^2 = 12^2
100 + c^2 = 144
c^2 = 44
c = 6.633 cm
10^2 + c^2 = 12^2
100 + c^2 = 144
c^2 = 44
c = 6.633 cm
dssc
3 answers