Answer:
Solution given:
1:since the sum of two side of a triangle must be greater than the left side
[ A. triangle in equality theorem]
2:
since AG=GL
by substituting value of GL in statement second.
[ C. Substitute property]
3:
<1 and <2 are base angle of isosceles triangle.
[B. i soceles triangle theorem]
4:
m<1 and m<2 are base angle of isosceles triangle.
[C. defination of congruent angles.]
5;
[exterior angle theorem]
6:
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Answer:
Solution given:
1:since the sum of two side of a triangle must be greater than the left side
[ A. triangle in equality theorem]
2:
since AG=GL
by substituting value of GL in statement second.
[ C. Substitute property]
3:
<1 and <2 are base angle of isosceles triangle.
[B. i soceles triangle theorem]
4:
m<1 and m<2 are base angle of isosceles triangle.
[C. defination of congruent angles.]
5;
[exterior angle theorem]
6: