Question

Find the area of the triangle.
http://roads.advancedacademics.com/contentserver/content/roadssection/279461/questions/assessments/t-perimeterareatrianglesquiz/geometry_unit4_5_quiz_17q.gif

Answer 1

Area = 1/2 * base * height

height = \[\sqrt{15^{2}-9^{2}}\] =\[\sqrt{225-81}\]
= \[\sqrt{144}\] = 12

Answer 2

Area = 1/2 * 12 * 9 ft^2
= 54ft^2

Answer 3

that's what i got but on my study guide it doesn't have it as an answer

Answer 4

ohhh....okay i see what you did