Suppose angles 1 and 2 are supplementary and ?1 = $35 ^ { \circ }$ . Then ?2 = _____°.
A) $145 ^ { \circ }$
B) $130 ^ { \circ }$
C) $150 ^ { \circ }$
D) $155 ^ { \circ }$
E) $290 ^ { \circ }$

Question

Quizplus · Accepted Answer

Supplementary angles add up to $180 ^ { \circ }$, so if ∠1 = $35 ^ { \circ }$, then ∠2 = $180 ^ { \circ } - 35 ^ { \circ } = 145 ^ { \circ }$.

Suppose Angles 1 and 2 Are Supplementary and ?1 = 35∘35 ^ { \circ }35∘

Suppose Angles 1 and 2 Are Supplementary and ?1 = $35 ^ { \circ }$