20warnket 20warnket

18-07-2017
Mathematics

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What is the measure of the missing angle?

81°
84°
87°
90°

What is the measure of the missing angle 81 84 87 90 class=

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18-07-2017

In a quadrilateral, all 4 of the angles must add up to 360.
360 - 107 - 72 - 91 = x
253 - 72 - 91 = x
181-91 = x
90

Answer Link

doughtierebecca doughtierebecca

24-02-2019

Answer:

Step-by-step explanation:

360-107-72-91=x

253-72-91=x

181-91=x

your answer is 90

Answer Link

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