The figure is not drawn to scale. ∠a is 40° larger to ∠b and 10° smaller than ∠c.
(1)Find the value of ∠a and ∠b and ∠c.
(2)How much larger is ∠c than the right angle?
(1) ∠a = °, ∠b = °, ∠c = °.
(2) ∠c is ° larger than the right angle.