plzzzz solve question no 35
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hello frnd!
here's ur answer...
formula for area of trapezium is 1/2×h(b1+b2)
given the height is 18cm
and let the parallel sides be 7x and 5x.
hence 7x be b1 and 5x be b2
area of the trapezium=540cm²
therefore 1/2×h(b2+b2)=540cm²
→1/2×18(7x+5x)=540cm²
→9×12x=540cm²
→12x=540/9
→12x=60
→x=60/12
→x=5cm
hence b1=7x
=7×5
=35cm
b2=5x
=5×5
=25cm
verification:-
area of trapezium=1/2×h(b1+b2)
=1/2×18(35+25)
=9×60
=540cm²
hence verified..
hope this helps u..!
here's ur answer...
formula for area of trapezium is 1/2×h(b1+b2)
given the height is 18cm
and let the parallel sides be 7x and 5x.
hence 7x be b1 and 5x be b2
area of the trapezium=540cm²
therefore 1/2×h(b2+b2)=540cm²
→1/2×18(7x+5x)=540cm²
→9×12x=540cm²
→12x=540/9
→12x=60
→x=60/12
→x=5cm
hence b1=7x
=7×5
=35cm
b2=5x
=5×5
=25cm
verification:-
area of trapezium=1/2×h(b1+b2)
=1/2×18(35+25)
=9×60
=540cm²
hence verified..
hope this helps u..!
ishikasudrania:
thankyou so much..it really helped!!..
Answered by
1
Here is your answer it may help you.
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