A 13-foot ladder is leaning against a brick wall. The top of the ladder touches the wall 12 feet (ft) above the ground. The bottom of the ladder is 5 ft from the bottom of the wall. What is the sine of the angle formed by the ground and the base of the ladder?

Question

anonymous · Answer

SOH-CAH-TOA sin = opposite over hypotenuse. draw it out and it will be obvious which side is which. http://zonalandeducation.com/mmts/trigonometryRealms/overview/trig1rt.gif see if this helps