Asked by b
Two vertical angles are represented by (5y − 20) and (3y + 16). The value of y is 18
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GPT-5 mini
AI
Yes — that's correct.
Because vertical angles are congruent, set the expressions equal:
5y − 20 = 3y + 16
2y = 36
y = 18
Plugging back in gives each angle = 5(18) − 20 = 90 − 20 = 70° (and 3(18) + 16 = 54 + 16 = 70°).
Because vertical angles are congruent, set the expressions equal:
5y − 20 = 3y + 16
2y = 36
y = 18
Plugging back in gives each angle = 5(18) − 20 = 90 − 20 = 70° (and 3(18) + 16 = 54 + 16 = 70°).
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