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3 years ago

PLSSS ASAPPP HELPPPP!!! A)99 B)9 C)None of these answers D)180 E)81

Mathematics

2 answers:

Finger [1]3 years ago

8 0

Answer:

A) 99°

Step-by-step explanation:

$m \angle \: 4 = 81 \degree...(given) \\ \because \: m \angle \: 8 = m \angle \: 4 \\ (corresponding \: \angle s) \\ \therefore m \angle \: 8 = 81 \degree \\ \\ \because \: m \angle \: 8 + m \angle \: 9= 180 \degree \\ (interior \: \angle s \: on \: the \: same \: side \\ of \: transversal) \\ \therefore \: 81 \degree+ m \angle \: 9= 180 \degree \\ \therefore \: m \angle \: 9= 180 \degree -81 \degree \\ \huge \red{\therefore \: m \angle \: 9= 99\degree} \\$

Serga [27]3 years ago

7 0

Answer:

D) 81°

<h3>stay safe healthy and happy.</h3>

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