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riadik2000 [5.3K]
3 years ago
5

Need help with this please

Mathematics
1 answer:
grin007 [14]3 years ago
4 0

1, => to find m<BAC=1/2 of measure arc Bc

=>m<BAC=72°÷2

=>m<BAC=36°

2, <em>•</em><em>to </em><em>find </em><em>measure arc</em><em> </em><em>AB</em>

<em> </em><em> </em><em> </em><em> </em><em>first </em><em>we </em><em>have </em><em>Arc </em><em>AD </em><em>=</em><em>1</em><em>4</em><em>2</em><em>°</em><em> </em><em>so </em><em>the </em><em>center </em><em>of </em><em> </em><em>the </em><em>circle</em><em> </em><em>is </em><em>equal </em><em>with </em><em>it.</em>

<em> </em><em>•</em><em> </em><em>and </em><em>we </em><em>have </em><em>measure arc BC</em><em> </em><em>=</em><em>7</em><em>2</em><em>°</em><em>the circle is </em><em> </em><em>equal with it.</em>

<em> </em><em> </em><em>so </em><em>let </em><em>say </em><em>that </em><em>the </em><em>center </em><em>is </em><em>[</em><em>o]</em><em> </em><em>then </em><em><</em><em>AoB=</em><em>measure arc BC</em><em> </em><em>that </em><em>means </em><em>it </em><em>measures</em><em> </em><em>7</em><em>2</em><em>°</em><em> </em><em>so </em><em>arc </em><em>AB </em><em>is </em><em>72°</em>

<em>I </em><em>hope </em><em>it </em><em>helps </em><em>and </em><em>if </em><em>I </em><em>am </em><em>wrong </em><em>please </em><em>send </em><em>messages</em>

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