find the area of an isosceles triangle whose base is 18 cm and one of its equal side is 15 CM
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area of triangle =1/2×base×height
base=18cm
one of its equal side is=15 cm
x=15×15=225
x=9×9=81
x=225-81=144
144/18=8 ans.
base=18cm
one of its equal side is=15 cm
x=15×15=225
x=9×9=81
x=225-81=144
144/18=8 ans.
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