1/2 (Base x height) = area
1/2 (4*x)=10
2x=10
X=5
The height is 5 units
Let x be the value of the third term.
Since it's a geometric sequence, then:
Third term/Second term = Fourth term/Third term
x/20 = 11.25/x
Cross multiplication:
x^2 = 225
x = 15
So since the ratio is constant, then it is
x/20 = 15/20 = 3/4
So the common ratio is 3/4 or 0.75.
Answer:
given ,

According to Question ,
we've to write <u>b </u><u>as </u><u>a </u><u>fraction </u><u>of </u><u>a.</u>
thus , we know that

now to represent b as a fraction of a ,
we'll have to consider the ratio as b : a
which means ,

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hope helpful :D