Plz answer these questions in a process.Fast plz....
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1Do it same as rectangle - 2(l+b).
2. Let base be 5y and height be 2y..
Then,
Area of triangle = 1/2XbXh
125=1/2X2yX5y
y^2=125/5
y^2=25
y=5
Base =5y =5X5=25cm
2. Let base be 5y and height be 2y..
Then,
Area of triangle = 1/2XbXh
125=1/2X2yX5y
y^2=125/5
y^2=25
y=5
Base =5y =5X5=25cm
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