Given: is perpendicular to , which is the base of isosceles Prove: Statements Reasons 1) is isosceles, 1) given 2) 2) 3) and are right angles 3) 4) 4) definition of right triangle 5) 5) 6) 6)
Answer
A
2) definition of an isosceles triangle 3) definition of perpendicular 5) symmetric property of congruence 6) HL theorem
B
2) reflexive property of congruence 3) definition of perpendicular 5) definition of an isosceles triangle 6) SAS theorem
C
2) definition of an isosceles triangle 3) definition of perpendicular 5) reflexive property of congruence 6) HL theorem
D
There is not enough information to prove the triangles congruent.