the area of a Trapezium is 171 m square if the difference between lengths of two parallel sides is 9 M and the distance between them is 15 M find the length of two parallel sides
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23
hello
let the two sides be x and y
ATQ
x - y = 9
x = 9 + y
area of trapezium = 1/2 ( x + y ) 15
171 = 1/2 ( 9+y+y ) 15
342 = (9 + 2y)15
135 + 30y = 342
30y = 207
y = 6.9
x = 9- 6.9 = 2.1
hope it helps :-)
let the two sides be x and y
ATQ
x - y = 9
x = 9 + y
area of trapezium = 1/2 ( x + y ) 15
171 = 1/2 ( 9+y+y ) 15
342 = (9 + 2y)15
135 + 30y = 342
30y = 207
y = 6.9
x = 9- 6.9 = 2.1
hope it helps :-)
Answered by
4
Step-by-step explanation:
the answer is 6.9
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