For the triangle below, determine the its area. Round as necessary to the nearest hundredth of a square unit.
+379 Use pythag. 52-32 = height2 <=> 4 = height
so the are is (4(3+6))/2 = 18
Area = 18
+1224 There is another way.
Area = 1/2 * (base) * (height)
= 1/2 * 9 * sqrt(5^2 - 3^2)
= 18
