Question
The figure is not drawn to scale. It has three parallel lines and two isosceles triangles. ∠a and ∠b are in the ratio of 7 : 8 respectively. Find ∠a + ∠b + ∠c.
3 m

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The figure is not drawn to scale. It has three parallel lines and two isosceles triangles. ∠a and ∠b are in the ratio of 7 : 8 respectively. Find ∠a + ∠b + ∠c.