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Byju's Answer
Standard X
History
Contributions to Mathematics
The radius of...
Question
The radius of the circumcircle a right- angled triangle, is 3 cm and the altitude drawn to the hypotenuse is 2 cm long. Find the sum of the areas of the three disjoint segments of the circumcircle formed by the sides of this triangle very important.
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Solution
Dear student
r
=
Radius
of
circumcircle
=
3
cm
We
know
that
in
a
right
angled
triangle
,
the
circumcentre
is
the
mid
-
point
of
the
hypotenuse
.
So
,
Hypotenuse
=
2
r
=
2
×
3
=
6
cm
Now
,
Altitude
drawn
to
hypotenuse
=
2
cm
Then
,
area
of
triangle
=
1
2
×
6
×
2
=
6
cm
2
Area
of
circle
=
3
.
14
×
3
×
3
=
28
.
26
cm
2
Sum
of
area
of
disjoint
segments
=
Area
of
circle
-
Area
of
triangle
=
28
.
26
-
6
=
22
.
26
cm
2
Regards
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