cie5re3Lynnisatyasmi cie5re3Lynnisatyasmi

11-11-2016
Mathematics

contestada

CR and DS are perpendiculars dropped from AB to PQ , and AB is perpendicular to CR and DS . If CR = DS, which statement must be true?

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alsteva alsteva

16-11-2016

Correct answer is: AB is parallel to PQ.

AB is perpendicular to CR and DS => CR is parallel to DS

CR = DS and CR is parallel to DS => CRSD is a parallelogram =>
=> CD is parallel to RS => AB is parallel to PQ

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zitterkoph zitterkoph

08-05-2019

Answer:

m∠RCD = m∠ACD ÷ 2

Step-by-step explanation:

Answer Link

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