area of triangle=1/2*b*h base incresed by 4 times & height
is devided by 2, the net effect of area.
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Answer Posted / sabari anusha
area is doubled.
actual area = 1/2 bh
after increase area = 1/2 *4b* h /2
=bh
1/2 *bh *2 = bh
therefore area is doubled
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