document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1199419>Question 1199419</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In the diagram, line BC = 5 cm, and curved line DE is tangent to line AC. Find the area, in cm2, of the quarter circle BDE with centre B.\r<BR>\n" );
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document.write( "https://ibb.co/6bcN9jh\r<BR>\n" );
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document.write( "A) 160<BR>\n" );
document.write( "B) 215<BR>\n" );
document.write( "C) 245<BR>\n" );
document.write( "D) 260<BR>\n" );
document.write( "E) 280<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #833299 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=833299\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Just a very small piece of help:<BR>\n" );
document.write( "Notice the triangle is special 30-60-90 type.  Length <s>BA</s> AC is 10 cm.\r<BR>\n" );
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document.write( "Also, if you draw a segment from point B to the tangency point, you cut the triangle into two similar triangles.  You may remember or find a rule which gives some information about this.\r<BR>\n" );
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document.write( "If you use these and setup a proportion for the circle's radius, r, ....<BR>\n" );
document.write( "you may find <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cross%28r=10%2Fsqrt%285%29%29 ALIGN=MIDDLE  ALT=\"cross%28r=10%2Fsqrt%285%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  <BR>\n" );
document.write( "<s>(Rationalize if you feel you want to.)</s> </SPAN>\n" );
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