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Subjects
Mathematics State Board
Class 8
Measurements
Circle
2.
Calculate the area of sector
Exercise condition:
2
m.
The radius of the sector is
43
cm
, and its central angle is
90
°
. Find the area of a sector - [Use
π =3.14
].
The area of a sector is
cm²
.
(
Note:
Insert the answer as a whole number.)
1
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