), in square centimeters, can be calculated by the Heron's formula:
(1)
(2)
, 
, 
- Lengths of the sides of the triangle, in centimeters.
- Semiperimeter, in centimeters.
and 
, then the area of the triangle is:
), in square centimeters, is determined by the following formula:
(3)
- Radius of the circle, in centimeters. 
- Internal angle, in sexagesimal degrees. 
and 
, then the area of the circular section is:
), in square centimeters, is:
(4)
Find the area of the shaded region.
Round to the nearest tenth.
...
Mathematics, 13.05.2021 09:50 ochoacesar2000
Find the area of the shaded region.
Round to the nearest tenth.
Answers: 1
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