pqrs is trapezium of area 91 cm rsq is parallel to pq rs is longer than pq by 8cm if distance between pq and RS is 7find pq and rs
Answers
Answered by
1
Area of a trapezium=91 cm^2
Height=7 cm
Let the two parallel sides be x cm and x+8 cm.
91=1/2*(x+x+8)*7
91/7=1/2*2x+8
13*2=2x+8
26-8=2x
18=2x
x=18/2
x=9
Therefore, the two parallel sides are 9 cm and 17 cm.
Height=7 cm
Let the two parallel sides be x cm and x+8 cm.
91=1/2*(x+x+8)*7
91/7=1/2*2x+8
13*2=2x+8
26-8=2x
18=2x
x=18/2
x=9
Therefore, the two parallel sides are 9 cm and 17 cm.
Similar questions