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King
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:Help!!!!!!!.....A isosceles triangle is of height=6 cm ,perimeter=36 cm.Find its area.Please give answer with explanation
@Mathematics
 2 years ago
 2 years ago
King Group Title
:Help!!!!!!!.....A isosceles triangle is of height=6 cm ,perimeter=36 cm.Find its area.Please give answer with explanation @Mathematics
 2 years ago
 2 years ago

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MightySmurf Group TitleBest ResponseYou've already chosen the best response.0
well isosceles triangles have two sides that are equal so the 2 sides are 6
 2 years ago

MightySmurf Group TitleBest ResponseYou've already chosen the best response.0
dw:1320065137428:dw
 2 years ago

King Group TitleBest ResponseYou've already chosen the best response.0
i said height=6 dw:1320065197358:dw
 2 years ago

King Group TitleBest ResponseYou've already chosen the best response.0
@mightysmurf: ure diagram is wrong
 2 years ago

MightySmurf Group TitleBest ResponseYou've already chosen the best response.0
yea i messed up sorry
 2 years ago

shankvee\ Group TitleBest ResponseYou've already chosen the best response.2
Ok see let the equal sides each be x and base be b 2*x + b=36 and x^2 =(b/2)^2 + 6^2 (Pythagoras theorem) from the first equation x=(36b)/2 square and substitute in the second equartion you get base =18 and x=9 hence you know the sides substitute in the formula area=1/2*base*height you get 1/2 * 18 * 6=54
 2 years ago

shankvee\ Group TitleBest ResponseYou've already chosen the best response.2
ok yeah b=16 and side =10 sorry abt that.
 2 years ago

shankvee\ Group TitleBest ResponseYou've already chosen the best response.2
so area is 48 not 64.
 2 years ago
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