Answer:
45
Step-by-step explanation:
Because GH=GI
so H=I=45
[tex]c = 45[/tex]
[tex]Isosceles \: Right \: Tringle[/tex]
[tex]∠c=∠GIH[/tex]
[tex]180-90=90[/tex]
[tex]c = \frac{90}{2} [/tex]
