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yaniravivas79
17.04.2021 •
Mathematics
Hewwo!
In a circle of radius 5 cm , AB and CD are two parallel chords of length 8 cm and 6 cm respectively. Calculate the distance between the chords , if they are :
i. on the same side of the centre
ii. on the opposite side of the centre
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Ответ:
AB=8cm⇒AE=4cmCD=6m⇒CF=3cmIn△AEDAE=4cm,AO=5cmOE=(AO)2−(AE)2=52−42=3cmIn△OFCCF=3cm,CO=5cmOF=OC2−CF2=52−32=4cm
∴ Distance between the chords=4cm−3cm=1cm
Ответ:
Step-by-step explanation:
We are asked to describe how we can transform the given radical expression into an expression with a rational exponent.
Given expression:
.
We will use radical rule
to solve our given problem.
We can see that for our given expression
,
and
.
Now, we can write our given expression as:
Using power rule of exponents
, we can write our expression as:
Therefore, the given expression with a rational exponent would be
.