Math, asked by amandandiwal97795, 4 months ago

A rectangle has width a and length b. If the width is decreased by 20% and the lengt
is increased by 10%, then what is the area of the new rectangle in percentage compared
to 'ab'?
(R.R.B. 2009
(a) 80%
(b) 88%
(c) 110%
(d) 120%​

Answers

Answered by OppaiSugoy
0

Answer:

B

Step-by-step explanation:

width = a, length = b

Initial area = axb

new width = ax(80/100) reduced by 20%

new length = bx(110/100) increased by 10%

new area = (8ax11b)/100 = 88% of ab

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