Question

Find the length of side CD. You will not be able to use pythagorean theorem.

Answer 1

CD = 10.38 units

Explanation:

from the figure is an equilateral triangle and CD is the height, we use the formula H = L√(3)/2

CD = 12 × √(3)/2

CD = 12 × 1.73 : 2

CD = 20.76 : 2

CD = 10.38