Question 1031953
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(1a)
The radius and height form two sides of a right triangle:
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{{{a^2+b^2=c^2}}}
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Let a=radius and b=height, slant height will be c.
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{{{(2m)^2+(3m)^2=c^2}}}
{{{4m^2+9m^2=c^2}}}
{{{13m^2=c^2}}}
{{{sqrt(13m^2)=c}}}
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(1b)
A 13 meter wire tied to a peg 15 meters from a pole will not reach the pole at all.  Re-examine your problem as it was given to you, re-check your numbers.