cottonjohnson123 cottonjohnson123

02-05-2021
Mathematics

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PLEASE HELP I NEED IT TO PASS THIS CLASS

PLEASE HELP I NEED IT TO PASS THIS CLASS class=

Respuesta :

jimrgrant1 jimrgrant1

02-05-2021

Answer:

∠ 1 = 99°, ∠ 2 = 81°, ∠ 4 = 81°

Step-by-step explanation:

∠ 1 and ∠ 3 are vertical angles and are congruent, then

∠ 1 = 99°

∠ 1 and ∠ 2 are adjacent angles and sum to 180° , so

∠ 2 = 180° - 99° = 81°

∠ 2 and ∠ 4 are vertical angles and are congruent, so

∠ 4 = 81°

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