The sector of a circle has the radius of 50cm and an area of 2750cm². what is the formula for finding the angle?

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Ответ:

dbn4everloved8

24.08.2021

Mathematics

1 : 4

Step-by-step explanation:

$Pressure = \frac{F}{A}$

$P_1 = Pressure \ on \ the \ largest \ surface \ area$

$=\frac{F}{20 \times 10 \times 20}$

$P_2 = Pressure \ on \ small \ surface \ area$

$=\frac{F}{20 \times 10 \times 5}$

$\frac{P_1 }{P_2 }= \frac{20 \times 10 \times 5}{20 \times 10 \times 20} = \frac{5}{20} = \frac{1}{4}$ $[ \ \ \frac{F}{20 \times 10 \times 20}\ \div\ \frac{F}{20 \times 10 \times 5} = \frac{F}{20 \times 10 \times 20} \times \frac{20 \times 10 \times 5}{F} \ ]$

Therefore ,

P_1 : P_2 = 1 : 4

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The sector of a circle has the radius of 50cm and an area of 2750cm². what is the formula for finding the angle?​