document.write( "Question 982055: The length of an arc of circle subtending an angle of measure 60* at the centre is 10cm. Find the area and the circumference of the circle. \n" ); document.write( "

Algebra.Com's Answer #602932 by macston(5194) $\"\"$ $\"About$

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\n" ); document.write( "Is 60*=60 degrees?
\n" ); document.write( "If not, disregard and re-post.
\n" ); document.write( " $\"%28360degrees%29%2F%2860degrees%29=x%2F10cm\"$ Cross multiply
\n" ); document.write( " $\"3600cm_degrees=%2860degrees%29x\"$
\n" ); document.write( " $\"%283600cm_degrees%29%2F60degrees=x\"$
\n" ); document.write( " $\"60cm=x\"$ ANSWER 1: Circumference is 60cm
\n" ); document.write( ".
\n" ); document.write( "Circumference=diameter(pi)
\n" ); document.write( "Circumference/pi=diameter
\n" ); document.write( "60cm/pi=diameter
\n" ); document.write( "19.1cm=diameter
\n" ); document.write( "r=radius=19.1cm/2=9.55cm
\n" ); document.write( ".
\n" ); document.write( "Area=(pi)r^2
\n" ); document.write( "Area=(pi)(9.55cm)^2
\n" ); document.write( "Area=(91.19)(pi)cm^2 \n" ); document.write( "

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