12 Vertical angles are congruent
13 Reflexive property
14 Hypotenuse-leg congruence
15 CPCTC
16 Definition of isosceles triangle
Triangle A B C is shown with angle B is congruent to angle C and altitude segment A D.
Triangle A B C.
Question
Move options to the blanks to complete the proof that triangle A B C is an isosceles triangle.
Response area with 5 blank spaces
Statement Reason
angle B is congruent to angle C; segment A D is an altitude
Given
angle A D B and angle A D C are right angles
Definition of altitude
angle A D B is congruent to angle A D C
Blank space 12 empty
segment A D is congruent to segment A D
Blank space 13 empty
triangle A D B is congruent to triangle A D C
Blank space 14 empty
segment A B is congruent to segment A C
Blank space 15 empty
triangle A B C is an isosceles triangle
Blank space 16 empty
Answer options with 6 options.
1 answer
1 answer