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In figure,∠a=100°∠a=100°∠a=100° , find ∠h.∠h.∠h.
170°170°170°
100°100°100°
110°110°110°
In figure, ∠d=100°∠d=100°∠d=100° , find ∠h∠h∠h .
80°80°80°
In figure, ∠b=80°∠b=80°∠b=80° , find ∠a∠a∠a
From figure, Find ∠d.∠d.∠d.
In figure , ∠c=80°∠c=80°∠c=80° , , find ∠e.∠e.∠e.
In figure, ∠h=80°∠h=80°∠h=80° , find ∠e∠e∠e .
From figure, Find ∠b.∠b.∠b.
70°70°70°
90°90°90°
In figure, ∠c=80°∠c=80°∠c=80° , find ∠e.∠e.∠e.
In figure,∠h=100°∠h=100°∠h=100° , find ∠c.∠c.∠c.
It is done.
