The area of an isosceles traingle is 300cm2. The height of the traingle is 15 cm. Find the perimeter of the traingle.
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let the base side of triangle is a
then
1/2*a*15=300
or a=40
let the length of other two side is b
then
b²=15²+20²
=225+400
=625
or b=25
then perimeter of the triangle is
=25+25+40=90...............(ans)
then
1/2*a*15=300
or a=40
let the length of other two side is b
then
b²=15²+20²
=225+400
=625
or b=25
then perimeter of the triangle is
=25+25+40=90...............(ans)
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