The interior angles of a certain traverse are given next. Determine whether each traverse closes (that is, forms a closed polygon), (HINT YOU might begin by drawing each figure by using a protractor.)
a. ∠A = 97.8°, ∠B = 61.3°, ∠C = 115.5°, and ∠D = 82.6°.
b. ∠A = 116°15ʹ, ∠B = 89°45ʹ ∠C = 103°30ʹ ∠D = 128°45ʹ, and ∠E = 101°45ʹ.
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