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31-01-2021
Mathematics

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ZA and ZB are complementary angles. If m_A = (62 – 8)° and m
ZB = (5x + 21)°, then find the measure of ZB.

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plamid04 plamid04

31-01-2021

Step-by-step explanation:

A=62-8=54

if the angles are complementary that means that their sum is 90degrees, so 54+5x+21=90

5x=90-75=15

=>B=15+21=36

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