An isosceles triangle has base angles equal to 45 degrees and bases of lengths 6 and 12. find the area a) 27 sq units. b) 27 square root of 2 units c) 27 square root of 3 units

Given: jk ||lm prove: _2 = 27 statement justification 1. jk ||lm 1. given 2.26 = 27 3.22 = 26 2. 3. 4. _2 = 27 4. corresponding angles theorem transitive property of equality vertical angles theorem substitution property of equality