Question
The figure, not drawn to scale, is made up of an equilateral triangle ABC and a trapezium DEGH. ∠HGE = 117°, ∠GED = 63° and ∠EDH = 52°. Find the sum of ∠a, ∠b , and ∠c.
3 m

Click button first when a symbol is required. X

The figure, not drawn to scale, is made up of an equilateral triangle ABC and a trapezium DEGH. ∠HGE = 117°, ∠GED = 63° and ∠EDH = 52°. Find the sum of ∠a, ∠b , and ∠c.