13. If ZA and ZB are supplementary angles and ZA is three times as large as ZB, find the measures of ZA and ZB.

Tnoda asked Jun 7, 2023

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44 votes

13. If ZA and ZB are supplementary angles and ZA

is three times as large as ZB, find the measures
of ZA and ZB.

Tnoda asked Jun 7, 2023

by Tnoda

2.7k points

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17 votes

Answer:

A. ZA+ZB =180

B. ZA is 135 and ZB is 45

Explanation:

Step-by-step explanation:since ZA and ZB are supplementary

ZA+Zb =180°

But ZA=3ZB

∴ 3ZB+ZB=180° ⇒4ZB=180°

∴ZB =45

Kuka answered Jun 13, 2023

by Kuka

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