<img align="middle" alt="begin mathsize 14px style 1 straight pi space rad equals 180 degree
a.1 third pi space rad equals 1 third cross times 180 degree equals 60 degree
b.7 over 9 straight pi space rad equals 7 over 9 cross times 180 degree equals 140 degree
straight c.3 over 4 straight pi space rad equals 3 over 4 cross times 180 degree equals 135 degree
straight d.11 over 12 straight pi space rad equals 11 over 12 cross times 180 degree equals 165 degree end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mn»1«/mn»«mi mathvariant=¨normal¨»§#960;«/mi»«mo»§#160;«/mo»«mi»rad«/mi»«mo»=«/mo»«mn»180«/mn»«mo»§#176;«/mo»«mspace linebreak=¨newline¨/»«mi»a«/mi»«mo».«/mo»«mfrac»«mn»1«/mn»«mn»3«/mn»«/mfrac»«mi»§#960;«/mi»«mo»§#160;«/mo»«mi»rad«/mi»«mo»=«/mo»«mfrac»«mn»1«/mn»«mn»3«/mn»«/mfrac»«mo»§#215;«/mo»«mn»180«/mn»«mo»§#176;«/mo»«mo»=«/mo»«mn»60«/mn»«mo»§#176;«/mo»«mspace linebreak=¨newline¨/»«mi»b«/mi»«mo».«/mo»«mfrac»«mn»7«/mn»«mn»9«/mn»«/mfrac»«mi mathvariant=¨normal¨»§#960;«/mi»«mo»§#160;«/mo»«mi»rad«/mi»«mo»=«/mo»«mfrac»«mn»7«/mn»«mn»9«/mn»«/mfrac»«mo»§#215;«/mo»«mn»180«/mn»«mo»§#176;«/mo»«mo»=«/mo»«mn»140«/mn»«mo»§#176;«/mo»«mspace linebreak=¨newline¨/»«mi mathvariant=¨normal¨»c«/mi»«mo».«/mo»«mfrac»«mn»3«/mn»«mn»4«/mn»«/mfrac»«mi mathvariant=¨normal¨»§#960;«/mi»«mo»§#160;«/mo»«mi»rad«/mi»«mo»=«/mo»«mfrac»«mn»3«/mn»«mn»4«/mn»«/mfrac»«mo»§#215;«/mo»«mn»180«/mn»«mo»§#176;«/mo»«mo»=«/mo»«mn»135«/mn»«mo»§#176;«/mo»«mspace linebreak=¨newline¨/»«mi mathvariant=¨normal¨»d«/mi»«mo».«/mo»«mfrac»«mn»11«/mn»«mn»12«/mn»«/mfrac»«mi mathvariant=¨normal¨»§#960;«/mi»«mo»§#160;«/mo»«mi»rad«/mi»«mo»=«/mo»«mfrac»«mn»11«/mn»«mn»12«/mn»«/mfrac»«mo»§#215;«/mo»«mn»180«/mn»«mo»§#176;«/mo»«mo»=«/mo»«mn»165«/mn»«mo»§#176;«/mo»«/mrow»«/mstyle»«/math»" height="171" role="math" src="data:image/png;base64,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style="max-width: none; vertical-align: -86px;" width="212" />&nbsp;&nbsp;

<img align="middle" alt="undefined" class="Wirisformula" data-mathml="«math/»" height="5" role="math" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAFCAYAAAB8ZH1oAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAABGJhU0UAAAAEx0lWhwAAAAxJREFUeNpjYBhGAAAAzQABhUzAtQAAADl0RVh0TWF0aE1MADxtYXRoIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8xOTk4L01hdGgvTWF0aE1MIi8+Llve3gAAAABJRU5ErkJggg==" style="max-width: none; vertical-align: -1px;" width="10" />&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;

Nyatakan sudut berikut&nbsp;ke dalam bentuk derajat!

a.&nbsp;<img align="middle" alt="begin mathsize 14px style 1 third straight pi space rad equals... end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mfrac»«mn»1«/mn»«mn»3«/mn»«/mfrac»«mi mathvariant=¨normal¨»§#960;«/mi»«mo»§#160;«/mo»«mi»rad«/mi»«mo»=«/mo»«mo».«/mo»«mo».«/mo»«mo».«/mo»«/mrow»«/mstyle»«/math»" height="30" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -11px;" width="84" />&nbsp;&nbsp;

b.&nbsp;<img align="middle" alt="begin mathsize 14px style 7 over 9 straight pi space rad equals... end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mfrac»«mn»7«/mn»«mn»9«/mn»«/mfrac»«mi mathvariant=¨normal¨»§#960;«/mi»«mo»§#160;«/mo»«mi»rad«/mi»«mo»=«/mo»«mo».«/mo»«mo».«/mo»«mo».«/mo»«/mrow»«/mstyle»«/math»" height="30" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -11px;" width="84" />&nbsp;

c.&nbsp;<img align="middle" alt="begin mathsize 14px style 3 over 4 straight pi space rad equals... end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mfrac»«mn»3«/mn»«mn»4«/mn»«/mfrac»«mi mathvariant=¨normal¨»§#960;«/mi»«mo»§#160;«/mo»«mi»rad«/mi»«mo»=«/mo»«mo».«/mo»«mo».«/mo»«mo».«/mo»«/mrow»«/mstyle»«/math»" height="30" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -11px;" width="84" />&nbsp;

d.<img align="middle" alt="begin mathsize 14px style 11 over 12 straight pi space rad equals... end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mfrac»«mn»11«/mn»«mn»12«/mn»«/mfrac»«mi mathvariant=¨normal¨»§#960;«/mi»«mo»§#160;«/mo»«mi»rad«/mi»«mo»=«/mo»«mo».«/mo»«mo».«/mo»«mo».«/mo»«/mrow»«/mstyle»«/math»" height="30" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -11px;" width="93" />&nbsp;&nbsp;

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