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 / 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
| Is This Answer Correct ? | 8 Yes | 1 No |
Answer / palam
area=1/2*b*h
b=4b
h=h/2
net area=1/2*4b*h/2
=b*h
=pdt of of base and hight
| Is This Answer Correct ? | 3 Yes | 3 No |
Answer / subbu
base incresed by 4 times means
b'=b+4b
but not b'=4b
so answer is 2.5 times
| Is This Answer Correct ? | 3 Yes | 3 No |
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