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3 years ago

9

Need help with Geometry!

2 answers:

Triss [41]3 years ago

8 0

Answer:

m∠3 = 143°

Step-by-step explanation:

m∠1 = 53°

m∠2 = 180 - (90 + 53) = 37°

m∠3 = 180 - 37 = 143°

wolverine [178]3 years ago

6 0

Answer:

143

Step-by-step explanation:

<em><u>solution</u></em><em><u>:</u></em>

<em><u>angle </u></em><em><u>1</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>5</u></em><em><u>3</u></em><em><u>°</u></em>

<em><u>angle </u></em><em><u>D </u></em><em><u>=</u></em><em><u> </u></em><em><u>9</u></em><em><u>0</u></em><em><u>°</u></em>

<em><u>angle </u></em><em><u>3</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>angle </u></em><em><u>1</u></em><em><u>+</u></em><em><u> </u></em><em><u>angle </u></em><em><u>D </u></em><em><u> </u></em><em><u>[</u></em><em><u>sum </u></em><em><u>of </u></em><em><u>two]</u></em><em><u> </u></em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><u><em>=</em><em> </em><em>5</em><em>3</em><em>°</em></u><em><u>+</u></em><em><u>9</u></em><em><u>0</u></em><em><u>°</u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u>[</u></em><em><u>interior</u></em><em><u> </u></em><em><u>angle </u></em><em><u>is </u></em><em><u>equal </u></em><em><u>]</u></em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em><u>=</u></em><em><u>1</u></em><em><u>4</u></em><em><u>3</u></em><em><u>°</u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u>[</u></em><em><u>to </u></em><em><u>an </u></em><em><u>exterior</u></em><em><u> </u></em><em><u>angle]</u></em>

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