The are of a trapezium is 405 cm². Its parallel sides are in ratio 4:5 and the distance between its parallel sides is 18 cm. Find the length of each of the parallel sides.
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Answered by
8
Answer:
let the parallel sides be 4k and 5k (where k is ratio constant)
area=405sq.cm
b. t. p
1/2(4k+5k) x18=405
9kx18=405x2
9k=405x2/18
9k=45
k=5
the sides are
4x5 cm=20cm
5x5cm=25cm
Answered by
3
Step-by-step explanation:
Answer:
let the parallel sides be 4k and 5k (where k is ratio constant)
area=405sq.cm
b. t. p
1/2(4k+5k) x18=405
9kx18=405x2
9k=405x2/18
9k=45
k=5
the sides are
4x5 cm=20cm
5x5cm=25cm
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